122002111220 has 24 divisors (see below), whose sum is σ = 279495746208. Its totient is φ = 44364404000.

The previous prime is 122002111207. The next prime is 122002111223. The reversal of 122002111220 is 22111200221.

It is a junction number, because it is equal to n+sod(n) for n = 122002111195 and 122002111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002111223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277277306 + ... + 277277745.

It is an arithmetic number, because the mean of its divisors is an integer number (11645656092).

Almost surely, 2^122002111220 is an apocalyptic number.

122002111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122002111220 is an abundant number, since it is smaller than the sum of its proper divisors (157493634988).

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

122002111220 is a wasteful number, since it uses less digits than its factorization.

122002111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554555071 (or 554555069 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122002111220 its reverse (22111200221), we get a palindrome (144113311441).

The spelling of 122002111220 in words is "one hundred twenty-two billion, two million, one hundred eleven thousand, two hundred twenty".