111021001120212 has 12 divisors (see below), whose sum is σ = 259049002613856. Its totient is φ = 37007000373400.

The previous prime is 111021001120207. The next prime is 111021001120247. The reversal of 111021001120212 is 212021100120111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×111021001120212² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111021001120191 and 111021001120200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4625875046664 + ... + 4625875046687.

It is an arithmetic number, because the mean of its divisors is an integer number (21587416884488).

Almost surely, 2^{111021001120212} is an apocalyptic number.

111021001120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111021001120212 is an abundant number, since it is smaller than the sum of its proper divisors (148028001493644).

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

111021001120212 is a wasteful number, since it uses less digits than its factorization.

111021001120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9251750093358 (or 9251750093356 counting only the distinct ones).

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

Adding to 111021001120212 its reverse (212021100120111), we get a palindrome (323042101240323).

The spelling of 111021001120212 in words is "one hundred eleven trillion, twenty-one billion, one million, one hundred twenty thousand, two hundred twelve".