1222001121110 has 48 divisors (see below), whose sum is σ = 2791331701200. Its totient is φ = 380883464640.

The previous prime is 1222001121083. The next prime is 1222001121163. The reversal of 1222001121110 is 111211002221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113352785 + ... + 113363564.

It is an arithmetic number, because the mean of its divisors is an integer number (58152743775).

Almost surely, 2^{1222001121110} is an apocalyptic number.

1222001121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222001121110 is an abundant number, since it is smaller than the sum of its proper divisors (1569330580090).

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

1222001121110 is a wasteful number, since it uses less digits than its factorization.

1222001121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226716381 (or 226716374 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1222001121110 its reverse (111211002221), we get a palindrome (1333212123331).

The spelling of 1222001121110 in words is "one trillion, two hundred twenty-two billion, one million, one hundred twenty-one thousand, one hundred ten".