111110021012000 has 96 divisors (see below), whose sum is σ = 273001864590000. Its totient is φ = 44443268812800.

The previous prime is 111110021011993. The next prime is 111110021012059. The reversal of 111110021012000 is 210120011111.

It can be written as a sum of positive squares in 8 ways, for example, as 20782256267536 + 90327764744464 = 4558756^2 + 9504092^2 .

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, 283792376 + ... + 284183624.

Almost surely, 2^{111110021012000} is an apocalyptic number.

111110021012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111110021012000 is an abundant number, since it is smaller than the sum of its proper divisors (161891843578000).

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

111110021012000 is an equidigital number, since it uses as much as digits as its factorization.

111110021012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462271 (or 462253 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111110021012000 its reverse (210120011111), we get a palindrome (111320141023111).

The spelling of 111110021012000 in words is "one hundred eleven trillion, one hundred ten billion, twenty-one million, twelve thousand".