210021114 has 16 divisors (see below), whose sum is σ = 421143552. Its totient is φ = 69823488.

The previous prime is 210021113. The next prime is 210021121. The reversal of 210021114 is 411120012.

It is a happy number.

210021114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 210021114.

It is not an unprimeable number, because it can be changed into a prime (210021113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43399 + ... + 47994.

It is an arithmetic number, because the mean of its divisors is an integer number (26321472).

Almost surely, 2^210021114 is an apocalyptic number.

210021114 is an abundant number, since it is smaller than the sum of its proper divisors (211122438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210021114 is a wasteful number, since it uses less digits than its factorization.

210021114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91781.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 210021114 is about 14492.1052300899. The cubic root of 210021114 is about 594.4121152386.

Adding to 210021114 its reverse (411120012), we get a palindrome (621141126).

It can be divided in two parts, 2100211 and 14, that added together give a triangular number (2100225 = T₂₀₄₉).

The spelling of 210021114 in words is "two hundred ten million, twenty-one thousand, one hundred fourteen".