122221001111110 has 64 divisors (see below), whose sum is σ = 240501776486400. Its totient is φ = 44350689139200.

The previous prime is 122221001111087. The next prime is 122221001111159. The reversal of 122221001111110 is 11111100122221.

It is a super-2 number, since 2×122221001111110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180492046 + ... + 181167934.

It is an arithmetic number, because the mean of its divisors is an integer number (3757840257600).

Almost surely, 2^{122221001111110} is an apocalyptic number.

122221001111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221001111110 is a deficient number, since it is larger than the sum of its proper divisors (118280775375290).

122221001111110 is a wasteful number, since it uses less digits than its factorization.

122221001111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679357.

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

Adding to 122221001111110 its reverse (11111100122221), we get a palindrome (133332101233331).

The spelling of 122221001111110 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one million, one hundred eleven thousand, one hundred ten".