111021100102 has 32 divisors (see below), whose sum is σ = 185572477440. Its totient is φ = 49380782880.

The previous prime is 111021100093. The next prime is 111021100103. The reversal of 111021100102 is 201001120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021100103) 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, 9162424 + ... + 9174532.

It is an arithmetic number, because the mean of its divisors is an integer number (5799139920).

Almost surely, 2^111021100102 is an apocalyptic number.

111021100102 is a deficient number, since it is larger than the sum of its proper divisors (74551377338).

111021100102 is a wasteful number, since it uses less digits than its factorization.

111021100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21036.

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

Adding to 111021100102 its reverse (201001120111), we get a palindrome (312022220213).

The spelling of 111021100102 in words is "one hundred eleven billion, twenty-one million, one hundred thousand, one hundred two".