210211211222000 has 80 divisors (see below), whose sum is σ = 538190162276832. Its totient is φ = 79138338329600.

The previous prime is 210211211221981. The next prime is 210211211222029. The reversal of 210211211222000 is 222112112012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 210211211222000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3091307342 + ... + 3091375341.

Almost surely, 2^{210211211222000} is an apocalyptic number.

210211211222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210211211222000 is an abundant number, since it is smaller than the sum of its proper divisors (327978951054832).

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

210211211222000 is a wasteful number, since it uses less digits than its factorization.

210211211222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182682723 (or 6182682707 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210211211222000 its reverse (222112112012), we get a palindrome (210433323334012).

The spelling of 210211211222000 in words is "two hundred ten trillion, two hundred eleven billion, two hundred eleven million, two hundred twenty-two thousand".