1111212100102 has 16 divisors (see below), whose sum is σ = 1795204226592. Its totient is φ = 512818752960.

The previous prime is 1111212100081. The next prime is 1111212100147. The reversal of 1111212100102 is 2010012121111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

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, 1733703 + ... + 2286514.

It is an arithmetic number, because the mean of its divisors is an integer number (112200264162).

Almost surely, 2^{1111212100102} is an apocalyptic number.

1111212100102 is a deficient number, since it is larger than the sum of its proper divisors (683992126490).

1111212100102 is a wasteful number, since it uses less digits than its factorization.

1111212100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030863.

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

Adding to 1111212100102 its reverse (2010012121111), we get a palindrome (3121224221213).

The spelling of 1111212100102 in words is "one trillion, one hundred eleven billion, two hundred twelve million, one hundred thousand, one hundred two".