220211530120100 has 18 divisors (see below), whose sum is σ = 477859020360834. Its totient is φ = 88084612048000.

The previous prime is 220211530120073. The next prime is 220211530120111. The reversal of 220211530120100 is 1021035112022.

It can be written as a sum of positive squares in 3 ways, for example, as 64931193856 + 220146598926244 = 254816^2 + 14837338^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1101057650501 + ... + 1101057650700.

Almost surely, 2^{220211530120100} is an apocalyptic number.

220211530120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211530120100 is an abundant number, since it is smaller than the sum of its proper divisors (257647490240734).

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

220211530120100 is a wasteful number, since it uses less digits than its factorization.

220211530120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202115301215 (or 2202115301208 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 220211530120100 its reverse (1021035112022), we get a palindrome (221232565232122).

The spelling of 220211530120100 in words is "two hundred twenty trillion, two hundred eleven billion, five hundred thirty million, one hundred twenty thousand, one hundred".