2112110121 has 32 divisors (see below), whose sum is σ = 3155967360. Its totient is φ = 1245324800.

The previous prime is 2112110083. The next prime is 2112110123. The reversal of 2112110121 is 1210112112.

It is a cyclic number.

It is not a de Polignac number, because 2112110121 - 2¹⁵ = 2112077353 is a prime.

It is a super-2 number, since 2×2112110121² = 8922018326461269282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112110097 and 2112110106.

It is not an unprimeable number, because it can be changed into a prime (2112110123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524311 + ... + 528323.

It is an arithmetic number, because the mean of its divisors is an integer number (98623980).

Almost surely, 2^2112110121 is an apocalyptic number.

It is an amenable number.

2112110121 is a deficient number, since it is larger than the sum of its proper divisors (1043857239).

2112110121 is a wasteful number, since it uses less digits than its factorization.

2112110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 2112110121 is about 45957.6992570342. The cubic root of 2112110121 is about 1283.0360306567.

Adding to 2112110121 its reverse (1210112112), we get a palindrome (3322222233).

The spelling of 2112110121 in words is "two billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-one".