1012201011100 has 18 divisors (see below), whose sum is σ = 2196476194304. Its totient is φ = 404880404400.

The previous prime is 1012201011097. The next prime is 1012201011127. The reversal of 1012201011100 is 11101022101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5061004956 + ... + 5061005155.

Almost surely, 2^{1012201011100} is an apocalyptic number.

1012201011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012201011100 is an abundant number, since it is smaller than the sum of its proper divisors (1184275183204).

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

1012201011100 is a wasteful number, since it uses less digits than its factorization.

1012201011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122010125 (or 10122010118 counting only the distinct ones).

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

Adding to 1012201011100 its reverse (11101022101), we get a palindrome (1023302033201).

The spelling of 1012201011100 in words is "one trillion, twelve billion, two hundred one million, eleven thousand, one hundred".