11121122122210 has 32 divisors (see below), whose sum is σ = 20767600512000. Its totient is φ = 4283317558080.

The previous prime is 11121122122181. The next prime is 11121122122211. The reversal of 11121122122210 is 1222122112111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11121122122211) 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, 90075465 + ... + 90198844.

It is an arithmetic number, because the mean of its divisors is an integer number (648987516000).

Almost surely, 2^{11121122122210} is an apocalyptic number.

11121122122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121122122210 is a deficient number, since it is larger than the sum of its proper divisors (9646478389790).

11121122122210 is a wasteful number, since it uses less digits than its factorization.

11121122122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180274546.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11121122122210 its reverse (1222122112111), we get a palindrome (12343244234321).

The spelling of 11121122122210 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred ten".