2111112021012 has 48 divisors (see below), whose sum is σ = 4948765258752. Its totient is φ = 700442975200.

The previous prime is 2111112021001. The next prime is 2111112021023. The reversal of 2111112021012 is 2101202111112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2111112021001) and next prime (2111112021023).

It is a super-2 number, since 2×2111112021012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111112020982 and 2111112021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12070387 + ... + 12244037.

It is an arithmetic number, because the mean of its divisors is an integer number (103099276224).

Almost surely, 2^{2111112021012} is an apocalyptic number.

It is an amenable number.

2111112021012 is an abundant number, since it is smaller than the sum of its proper divisors (2837653237740).

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

2111112021012 is a wasteful number, since it uses less digits than its factorization.

2111112021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178348 (or 178346 counting only the distinct ones).

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

Adding to 2111112021012 its reverse (2101202111112), we get a palindrome (4212314132124).

The spelling of 2111112021012 in words is "two trillion, one hundred eleven billion, one hundred twelve million, twenty-one thousand, twelve".