2111012002 has 16 divisors (see below), whose sum is σ = 3455138592. Its totient is φ = 959341120.

The previous prime is 2111011979. The next prime is 2111012063. The reversal of 2111012002 is 2002101112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111012002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141093 + ... + 155335.

It is an arithmetic number, because the mean of its divisors is an integer number (215946162).

Almost surely, 2^2111012002 is an apocalyptic number.

2111012002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111012002 is a deficient number, since it is larger than the sum of its proper divisors (1344126590).

2111012002 is a wasteful number, since it uses less digits than its factorization.

2111012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20993.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2111012002 is about 45945.7506413814. The cubic root of 2111012002 is about 1282.8136352943.

Adding to 2111012002 its reverse (2002101112), we get a palindrome (4113113114).

The spelling of 2111012002 in words is "two billion, one hundred eleven million, twelve thousand, two".