210220101110100 has 144 divisors (see below), whose sum is σ = 655138809543680. Its totient is φ = 51873160752000.

The previous prime is 210220101110087. The next prime is 210220101110101. The reversal of 210220101110100 is 1011101022012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220101110101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 428600476 + ... + 429090675.

Almost surely, 2^{210220101110100} is an apocalyptic number.

210220101110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210220101110100 is an abundant number, since it is smaller than the sum of its proper divisors (444918708433580).

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

210220101110100 is a wasteful number, since it uses less digits than its factorization.

210220101110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857691230 (or 857691223 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210220101110100 its reverse (1011101022012), we get a palindrome (211231202132112).

The spelling of 210220101110100 in words is "two hundred ten trillion, two hundred twenty billion, one hundred one million, one hundred ten thousand, one hundred".