122220221211120 has 80 divisors (see below), whose sum is σ = 387693911037312. Its totient is φ = 31834104126720.

The previous prime is 122220221211107. The next prime is 122220221211149. The reversal of 122220221211120 is 21112122022221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×122220221211120² (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 15 ways as a sum of consecutive naturals, for example, 5921512026 + ... + 5921532665.

Almost surely, 2^{122220221211120} is an apocalyptic number.

122220221211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122220221211120 is an abundant number, since it is smaller than the sum of its proper divisors (265473689826192).

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

122220221211120 is a wasteful number, since it uses less digits than its factorization.

122220221211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843044750 (or 11843044744 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122220221211120 its reverse (21112122022221), we get a palindrome (143332343233341).

The spelling of 122220221211120 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty".