100021220011100 has 36 divisors (see below), whose sum is σ = 224047532831808. Its totient is φ = 38717891616000.

The previous prime is 100021220011039. The next prime is 100021220011133. The reversal of 100021220011100 is 1110022120001.

It is a congruent number.

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, 16132451741 + ... + 16132457940.

Almost surely, 2^{100021220011100} is an apocalyptic number.

100021220011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100021220011100 is an abundant number, since it is smaller than the sum of its proper divisors (124026312820708).

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

100021220011100 is a wasteful number, since it uses less digits than its factorization.

100021220011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32264909726 (or 32264909719 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100021220011100 its reverse (1110022120001), we get a palindrome (101131242131101).

The spelling of 100021220011100 in words is "one hundred trillion, twenty-one billion, two hundred twenty million, eleven thousand, one hundred".