11211202122 has 16 divisors (see below), whose sum is σ = 22473024480. Its totient is φ = 3728630672.

The previous prime is 11211202099. The next prime is 11211202157. The reversal of 11211202122 is 22120211211.

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, 2106297 + ... + 2111612.

It is an arithmetic number, because the mean of its divisors is an integer number (1404564030).

Almost surely, 2^11211202122 is an apocalyptic number.

11211202122 is an abundant number, since it is smaller than the sum of its proper divisors (11261822358).

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

11211202122 is a wasteful number, since it uses less digits than its factorization.

11211202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218357.

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

Adding to 11211202122 its reverse (22120211211), we get a palindrome (33331413333).

The spelling of 11211202122 in words is "eleven billion, two hundred eleven million, two hundred two thousand, one hundred twenty-two".