122231100020 has 12 divisors (see below), whose sum is σ = 256685310084. Its totient is φ = 48892440000.

The previous prime is 122231099971. The next prime is 122231100037. The reversal of 122231100020 is 20001132221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13622624656 + 108608475364 = 116716^2 + 329558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122231099968 and 122231100004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055777481 + ... + 3055777520.

It is an arithmetic number, because the mean of its divisors is an integer number (21390442507).

Almost surely, 2^122231100020 is an apocalyptic number.

122231100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122231100020 is an abundant number, since it is smaller than the sum of its proper divisors (134454210064).

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

122231100020 is a wasteful number, since it uses less digits than its factorization.

122231100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111555010 (or 6111555008 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 122231100020 its reverse (20001132221), we get a palindrome (142232232241).

The spelling of 122231100020 in words is "one hundred twenty-two billion, two hundred thirty-one million, one hundred thousand, twenty".