210021002201122 has 32 divisors (see below), whose sum is σ = 389325541022208. Its totient is φ = 82911920764416.

The previous prime is 210021002201119. The next prime is 210021002201137. The reversal of 210021002201122 is 221102200120012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210021002201096 and 210021002201105.

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, 9387661003 + ... + 9387683374.

It is an arithmetic number, because the mean of its divisors is an integer number (12166423156944).

Almost surely, 2^{210021002201122} is an apocalyptic number.

210021002201122 is a deficient number, since it is larger than the sum of its proper divisors (179304538821086).

210021002201122 is a wasteful number, since it uses less digits than its factorization.

210021002201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18775344450.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210021002201122 its reverse (221102200120012), we get a palindrome (431123202321134).

The spelling of 210021002201122 in words is "two hundred ten trillion, twenty-one billion, two million, two hundred one thousand, one hundred twenty-two".