210022021112100 has 144 divisors (see below), whose sum is σ = 609206430459648. Its totient is φ = 55863778037760.

The previous prime is 210022021112039. The next prime is 210022021112149. The reversal of 210022021112100 is 1211120220012.

It is a super-2 number, since 2×210022021112100² (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 210022021112100.

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, 368772762 + ... + 369341838.

Almost surely, 2^{210022021112100} is an apocalyptic number.

210022021112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210022021112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304603215229824).

210022021112100 is an abundant number, since it is smaller than the sum of its proper divisors (399184409347548).

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

210022021112100 is a wasteful number, since it uses less digits than its factorization.

210022021112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572214 (or 572207 counting only the distinct ones).

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

Adding to 210022021112100 its reverse (1211120220012), we get a palindrome (211233141332112).

The spelling of 210022021112100 in words is "two hundred ten trillion, twenty-two billion, twenty-one million, one hundred twelve thousand, one hundred".