101220222200100 has 72 divisors (see below), whose sum is σ = 292866357645120. Its totient is φ = 26991827479680.

The previous prime is 101220222200087. The next prime is 101220222200147. The reversal of 101220222200100 is 1002222022101.

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 101220222200100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35079894 + ... + 37855506.

Almost surely, 2^{101220222200100} is an apocalyptic number.

101220222200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220222200100 is an abundant number, since it is smaller than the sum of its proper divisors (191646135445020).

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

101220222200100 is a wasteful number, since it uses less digits than its factorization.

101220222200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897189 (or 2897182 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 101220222200100 its reverse (1002222022101), we get a palindrome (102222444222201).

The spelling of 101220222200100 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred thousand, one hundred".