210220011122100 has 144 divisors (see below), whose sum is σ = 705502541280768. Its totient is φ = 47333119743360.

The previous prime is 210220011122059. The next prime is 210220011122131. The reversal of 210220011122100 is 1221110022012.

It is a super-2 number, since 2×210220011122100² (a number of 29 digits) contains 22 as substring.

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 210220011122100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 746909802 + ... + 747191201.

Almost surely, 2^{210220011122100} is an apocalyptic number.

210220011122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210220011122100 is an abundant number, since it is smaller than the sum of its proper divisors (495282530158668).

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

210220011122100 is a wasteful number, since it uses less digits than its factorization.

210220011122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494101094 (or 1494101087 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210220011122100 its reverse (1221110022012), we get a palindrome (211441121144112).

The spelling of 210220011122100 in words is "two hundred ten trillion, two hundred twenty billion, eleven million, one hundred twenty-two thousand, one hundred".