111221001000102 has 32 divisors (see below), whose sum is σ = 262985618131200. Its totient is φ = 30681655447968.

The previous prime is 111221001000089. The next prime is 111221001000103. The reversal of 111221001000102 is 201000100122111.

It is a super-2 number, since 2×111221001000102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221001000103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45657224152 + ... + 45657226587.

It is an arithmetic number, because the mean of its divisors is an integer number (8218300566600).

Almost surely, 2^{111221001000102} is an apocalyptic number.

111221001000102 is an abundant number, since it is smaller than the sum of its proper divisors (151764617131098).

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

111221001000102 is a wasteful number, since it uses less digits than its factorization.

111221001000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91314450780.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111221001000102 its reverse (201000100122111), we get a palindrome (312221101122213).

The spelling of 111221001000102 in words is "one hundred eleven trillion, two hundred twenty-one billion, one million, one hundred two", and thus it is an aban number.