111020202102010 has 32 divisors (see below), whose sum is σ = 200448192333312. Its totient is φ = 44272290511680.

The previous prime is 111020202101933. The next prime is 111020202102011. The reversal of 111020202102010 is 10201202020111.

It is a super-2 number, since 2×111020202102010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111020202102011) 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, 5545354 + ... + 15899413.

It is an arithmetic number, because the mean of its divisors is an integer number (6264006010416).

Almost surely, 2^{111020202102010} is an apocalyptic number.

111020202102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111020202102010 is a deficient number, since it is larger than the sum of its proper divisors (89427990231302).

111020202102010 is a wasteful number, since it uses less digits than its factorization.

111020202102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21446358.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111020202102010 its reverse (10201202020111), we get a palindrome (121221404122121).

The spelling of 111020202102010 in words is "one hundred eleven trillion, twenty billion, two hundred two million, one hundred two thousand, ten".