122211221110 has 16 divisors (see below), whose sum is σ = 239978398032. Its totient is φ = 44440444000.

The previous prime is 122211221081. The next prime is 122211221117. The reversal of 122211221110 is 11122112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211221117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555505441 + ... + 555505660.

It is an arithmetic number, because the mean of its divisors is an integer number (14998649877).

Almost surely, 2^122211221110 is an apocalyptic number.

122211221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122211221110 is a deficient number, since it is larger than the sum of its proper divisors (117767176922).

122211221110 is a wasteful number, since it uses less digits than its factorization.

122211221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111011119.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122211221110 its reverse (11122112221), we get a palindrome (133333333331).

It can be divided in two parts, 1222112211 and 10, that added together give a palindrome (1222112221).

The spelling of 122211221110 in words is "one hundred twenty-two billion, two hundred eleven million, two hundred twenty-one thousand, one hundred ten".