2112212102 has 64 divisors (see below), whose sum is σ = 4477939200. Its totient is φ = 719642880.

The previous prime is 2112212099. The next prime is 2112212117. The reversal of 2112212102 is 2012122112.

It is a super-2 number, since 2×2112212102² = 8922879927670516808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10274 + ... + 65802.

It is an arithmetic number, because the mean of its divisors is an integer number (69967800).

Almost surely, 2^2112212102 is an apocalyptic number.

2112212102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2112212102 is an abundant number, since it is smaller than the sum of its proper divisors (2365727098).

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

2112212102 is a wasteful number, since it uses less digits than its factorization.

2112212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55581.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2112212102 is about 45958.8087530563. The cubic root of 2112212102 is about 1283.0566803363.

Adding to 2112212102 its reverse (2012122112), we get a palindrome (4124334214).

The spelling of 2112212102 in words is "two billion, one hundred twelve million, two hundred twelve thousand, one hundred two".