1012331221100 has 36 divisors (see below), whose sum is σ = 2223225740904. Its totient is φ = 400053780480.

The previous prime is 1012331221093. The next prime is 1012331221127. The reversal of 1012331221100 is 11221332101.

1012331221100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60975509 + ... + 60992108.

Almost surely, 2^{1012331221100} is an apocalyptic number.

1012331221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012331221100 is an abundant number, since it is smaller than the sum of its proper divisors (1210894519804).

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

1012331221100 is a wasteful number, since it uses less digits than its factorization.

1012331221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121967714 (or 121967707 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1012331221100 its reverse (11221332101), we get a palindrome (1023552553201).

The spelling of 1012331221100 in words is "one trillion, twelve billion, three hundred thirty-one million, two hundred twenty-one thousand, one hundred".