101021011120100 has 18 divisors (see below), whose sum is σ = 219215594130834. Its totient is φ = 40408404448000.

The previous prime is 101021011120091. The next prime is 101021011120151. The reversal of 101021011120100 is 1021110120101.

It can be written as a sum of positive squares in 3 ways, for example, as 26451292458724 + 74569718661376 = 5143082^2 + 8635376^2 .

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, 505105055501 + ... + 505105055700.

Almost surely, 2^{101021011120100} is an apocalyptic number.

101021011120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021011120100 is an abundant number, since it is smaller than the sum of its proper divisors (118194583010734).

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

101021011120100 is a wasteful number, since it uses less digits than its factorization.

101021011120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010210111215 (or 1010210111208 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101021011120100 its reverse (1021110120101), we get a palindrome (102042121240201).

Subtracting from 101021011120100 its reverse (1021110120101), we obtain a palindrome (99999900999999).

The spelling of 101021011120100 in words is "one hundred one trillion, twenty-one billion, eleven million, one hundred twenty thousand, one hundred".