111002102010 has 48 divisors (see below), whose sum is σ = 298557384840. Its totient is φ = 28579850880.

The previous prime is 111002101979. The next prime is 111002102047. The reversal of 111002102010 is 10201200111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98879431401 + 12122670609 = 314451^2 + 110103^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111002101983 and 111002102001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21262161 + ... + 21267380.

Almost surely, 2^111002102010 is an apocalyptic number.

111002102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111002102010 is an abundant number, since it is smaller than the sum of its proper divisors (187555282830).

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

111002102010 is a wasteful number, since it uses less digits than its factorization.

111002102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42529583 (or 42529580 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111002102010 its reverse (10201200111), we get a palindrome (121203302121).

The spelling of 111002102010 in words is "one hundred eleven billion, two million, one hundred two thousand, ten".