211310020122 has 64 divisors (see below), whose sum is σ = 454591872000. Its totient is φ = 65333399040.

The previous prime is 211310020109. The next prime is 211310020123. The reversal of 211310020122 is 221020013112.

It is not an unprimeable number, because it can be changed into a prime (211310020123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 596004 + ... + 881952.

It is an arithmetic number, because the mean of its divisors is an integer number (7102998000).

Almost surely, 2^211310020122 is an apocalyptic number.

211310020122 is an abundant number, since it is smaller than the sum of its proper divisors (243281851878).

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

211310020122 is a wasteful number, since it uses less digits than its factorization.

211310020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286151.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211310020122 its reverse (221020013112), we get a palindrome (432330033234).

The spelling of 211310020122 in words is "two hundred eleven billion, three hundred ten million, twenty thousand, one hundred twenty-two".