122022220111220 has 48 divisors (see below), whose sum is σ = 301045029763968. Its totient is φ = 40958507448960.

The previous prime is 122022220111201. The next prime is 122022220111273. The reversal of 122022220111220 is 22111022220221.

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 = 122022220111192 and 122022220111201.

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, 21332553104 + ... + 21332558823.

It is an arithmetic number, because the mean of its divisors is an integer number (6271771453416).

Almost surely, 2^{122022220111220} is an apocalyptic number.

122022220111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122022220111220 is an abundant number, since it is smaller than the sum of its proper divisors (179022809652748).

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

122022220111220 is a wasteful number, since it uses less digits than its factorization.

122022220111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42665111960 (or 42665111958 counting only the distinct ones).

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

Adding to 122022220111220 its reverse (22111022220221), we get a palindrome (144133242331441).

The spelling of 122022220111220 in words is "one hundred twenty-two trillion, twenty-two billion, two hundred twenty million, one hundred eleven thousand, two hundred twenty".