101200221221100 has 36 divisors (see below), whose sum is σ = 292805973400584. Its totient is φ = 26986725658880.

The previous prime is 101200221221081. The next prime is 101200221221137. The reversal of 101200221221100 is 1122122002101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101200221221100.

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, 168667035069 + ... + 168667035668.

Almost surely, 2^{101200221221100} is an apocalyptic number.

101200221221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200221221100 is an abundant number, since it is smaller than the sum of its proper divisors (191605752179484).

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

101200221221100 is a wasteful number, since it uses less digits than its factorization.

101200221221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337334070754 (or 337334070747 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101200221221100 its reverse (1122122002101), we get a palindrome (102322343223201).

The spelling of 101200221221100 in words is "one hundred one trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred".