210101221122 has 16 divisors (see below), whose sum is σ = 452525707200. Its totient is φ = 64646529552.

The previous prime is 210101221111. The next prime is 210101221139. The reversal of 210101221122 is 221122101012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346802622 + ... + 1346802777.

It is an arithmetic number, because the mean of its divisors is an integer number (28282856700).

Almost surely, 2^210101221122 is an apocalyptic number.

210101221122 is an abundant number, since it is smaller than the sum of its proper divisors (242424486078).

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

210101221122 is a wasteful number, since it uses less digits than its factorization.

210101221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693605417.

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

Adding to 210101221122 its reverse (221122101012), we get a palindrome (431223322134).

The spelling of 210101221122 in words is "two hundred ten billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty-two".