210011002122 has 32 divisors (see below), whose sum is σ = 446260492800. Its totient is φ = 65699453808.

The previous prime is 210011002111. The next prime is 210011002129. The reversal of 210011002122 is 221200110012.

It is a junction number, because it is equal to n+sod(n) for n = 210011002098 and 210011002107.

It is not an unprimeable number, because it can be changed into a prime (210011002129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8596222 + ... + 8620617.

It is an arithmetic number, because the mean of its divisors is an integer number (13945640400).

Almost surely, 2^210011002122 is an apocalyptic number.

210011002122 is an abundant number, since it is smaller than the sum of its proper divisors (236249490678).

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

210011002122 is a wasteful number, since it uses less digits than its factorization.

210011002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17216970.

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

Adding to 210011002122 its reverse (221200110012), we get a palindrome (431211112134).

The spelling of 210011002122 in words is "two hundred ten billion, eleven million, two thousand, one hundred twenty-two".