122120022112220 has 24 divisors (see below), whose sum is σ = 279765868839408. Its totient is φ = 44407280768000.

The previous prime is 122120022112219. The next prime is 122120022112237. The reversal of 122120022112220 is 22211220021221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122120022112192 and 122120022112201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277545504581 + ... + 277545505020.

It is an arithmetic number, because the mean of its divisors is an integer number (11656911201642).

Almost surely, 2^{122120022112220} is an apocalyptic number.

122120022112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120022112220 is an abundant number, since it is smaller than the sum of its proper divisors (157645846727188).

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

122120022112220 is a wasteful number, since it uses less digits than its factorization.

122120022112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555091009621 (or 555091009619 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122120022112220 its reverse (22211220021221), we get a palindrome (144331242133441).

The spelling of 122120022112220 in words is "one hundred twenty-two trillion, one hundred twenty billion, twenty-two million, one hundred twelve thousand, two hundred twenty".