111012021000010 has 16 divisors (see below), whose sum is σ = 215192533015656. Its totient is φ = 40989053907648.

The previous prime is 111012020999987. The next prime is 111012021000037. The reversal of 111012021000010 is 10000120210111.

It can be written as a sum of positive squares in 4 ways, for example, as 79162285387761 + 31849735612249 = 8897319^2 + 5643557^2 .

It is a super-2 number, since 2×111012021000010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 426969311409 + ... + 426969311668.

Almost surely, 2^{111012021000010} is an apocalyptic number.

111012021000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111012021000010 is a deficient number, since it is larger than the sum of its proper divisors (104180512015646).

111012021000010 is a wasteful number, since it uses less digits than its factorization.

111012021000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853938623097.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111012021000010 its reverse (10000120210111), we get a palindrome (121012141210121).

The spelling of 111012021000010 in words is "one hundred eleven trillion, twelve billion, twenty-one million, ten", and thus it is an aban number.