111021010102 has 16 divisors (see below), whose sum is σ = 175466419200. Its totient is φ = 52537873320.

The previous prime is 111021010091. The next prime is 111021010109. The reversal of 111021010102 is 201010120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021010109) 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, 1377702 + ... + 1456057.

It is an arithmetic number, because the mean of its divisors is an integer number (10966651200).

Almost surely, 2^111021010102 is an apocalyptic number.

111021010102 is a deficient number, since it is larger than the sum of its proper divisors (64445409098).

111021010102 is a wasteful number, since it uses less digits than its factorization.

111021010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834811.

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

Adding to 111021010102 its reverse (201010120111), we get a palindrome (312031130213).

The spelling of 111021010102 in words is "one hundred eleven billion, twenty-one million, ten thousand, one hundred two".