101001220201100 has 36 divisors (see below), whose sum is σ = 219178088246208. Its totient is φ = 40399485240000.

The previous prime is 101001220201073. The next prime is 101001220201157. The reversal of 101001220201100 is 1102022100101.

It is a super-2 number, since 2×101001220201100² (a number of 29 digits) contains 22 as substring.

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, 8480231 + ... + 16550430.

Almost surely, 2^{101001220201100} is an apocalyptic number.

101001220201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101001220201100 is an abundant number, since it is smaller than the sum of its proper divisors (118176868045108).

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

101001220201100 is a wasteful number, since it uses less digits than its factorization.

101001220201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25071026 (or 25071019 counting only the distinct ones).

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

Adding to 101001220201100 its reverse (1102022100101), we get a palindrome (102103242301201).

The spelling of 101001220201100 in words is "one hundred one trillion, one billion, two hundred twenty million, two hundred one thousand, one hundred".