111212010100102 has 16 divisors (see below), whose sum is σ = 171595820897424. Its totient is φ = 54024658272000.

The previous prime is 111212010100073. The next prime is 111212010100109. The reversal of 111212010100102 is 201001010212111.

It is a happy number.

It is a super-2 number, since 2×111212010100102² (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 (111212010100109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2813764524 + ... + 2813804047.

It is an arithmetic number, because the mean of its divisors is an integer number (10724738806089).

Almost surely, 2^{111212010100102} is an apocalyptic number.

111212010100102 is a deficient number, since it is larger than the sum of its proper divisors (60383810797322).

111212010100102 is a wasteful number, since it uses less digits than its factorization.

111212010100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627568855.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111212010100102 its reverse (201001010212111), we get a palindrome (312213020312213).

The spelling of 111212010100102 in words is "one hundred eleven trillion, two hundred twelve billion, ten million, one hundred thousand, one hundred two".