2112112121010 has 16 divisors (see below), whose sum is σ = 5069069090496. Its totient is φ = 563229898928.

The previous prime is 2112112120997. The next prime is 2112112121029. The reversal of 2112112121010 is 101212112112.

It is a happy number.

It is a super-2 number, since 2×2112112121010² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35201868654 + ... + 35201868713.

It is an arithmetic number, because the mean of its divisors is an integer number (316816818156).

Almost surely, 2^{2112112121010} is an apocalyptic number.

2112112121010 is an abundant number, since it is smaller than the sum of its proper divisors (2956956969486).

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

2112112121010 is a wasteful number, since it uses less digits than its factorization.

2112112121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70403737377.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2112112121010 its reverse (101212112112), we get a palindrome (2213324233122).

The spelling of 2112112121010 in words is "two trillion, one hundred twelve billion, one hundred twelve million, one hundred twenty-one thousand, ten".