220021202210100 has 36 divisors (see below), whose sum is σ = 636594678395424. Its totient is φ = 58672320589280.

The previous prime is 220021202210093. The next prime is 220021202210113. The reversal of 220021202210100 is 1012202120022.

220021202210100 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 220021202210100.

It is a congruent number.

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, 366702003384 + ... + 366702003983.

It is an arithmetic number, because the mean of its divisors is an integer number (17683185510984).

Almost surely, 2^{220021202210100} is an apocalyptic number.

220021202210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220021202210100 is an abundant number, since it is smaller than the sum of its proper divisors (416573476185324).

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

220021202210100 is a wasteful number, since it uses less digits than its factorization.

220021202210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733404007384 (or 733404007377 counting only the distinct ones).

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

Adding to 220021202210100 its reverse (1012202120022), we get a palindrome (221033404330122).

The spelling of 220021202210100 in words is "two hundred twenty trillion, twenty-one billion, two hundred two million, two hundred ten thousand, one hundred".