210121010022000 has 1920 divisors, whose sum is σ = 872129338149888. Its totient is φ = 43031374848000.

The previous prime is 210121010021959. The next prime is 210121010022019. The reversal of 210121010022000 is 220010121012.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 164542685362 + ... + 164542686638.

Almost surely, 2^{210121010022000} is an apocalyptic number.

210121010022000 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 210121010022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436064669074944).

210121010022000 is an abundant number, since it is smaller than the sum of its proper divisors (662008328127888).

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

210121010022000 is a wasteful number, since it uses less digits than its factorization.

210121010022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024 (or 2001 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210121010022000 its reverse (220010121012), we get a palindrome (210341020143012).

The spelling of 210121010022000 in words is "two hundred ten trillion, one hundred twenty-one billion, ten million, twenty-two thousand".