220210021212100 has 36 divisors (see below), whose sum is σ = 478627726368400. Its totient is φ = 87941707961760.

The previous prime is 220210021211953. The next prime is 220210021212101. The reversal of 220210021212100 is 1212120012022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220210021212101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1778694330 + ... + 1778818129.

Almost surely, 2^{220210021212100} is an apocalyptic number.

220210021212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220210021212100 is an abundant number, since it is smaller than the sum of its proper divisors (258417705156300).

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

220210021212100 is a wasteful number, since it uses less digits than its factorization.

220210021212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557513092 (or 3557513085 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220210021212100 its reverse (1212120012022), we get a palindrome (221422141224122).

The spelling of 220210021212100 in words is "two hundred twenty trillion, two hundred ten billion, twenty-one million, two hundred twelve thousand, one hundred".