122220002221000 has 64 divisors (see below), whose sum is σ = 286658367240960. Its totient is φ = 48774571480000.

The previous prime is 122220002220997. The next prime is 122220002221013. The reversal of 122220002221000 is 122200022221.

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, 141355546 + ... + 142217545.

It is an arithmetic number, because the mean of its divisors is an integer number (4479036988140).

Almost surely, 2^{122220002221000} is an apocalyptic number.

122220002221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122220002221000 is an abundant number, since it is smaller than the sum of its proper divisors (164438365019960).

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

122220002221000 is a wasteful number, since it uses less digits than its factorization.

122220002221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283573543 (or 283573529 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122220002221000 its reverse (122200022221), we get a palindrome (122342202243221).

The spelling of 122220002221000 in words is "one hundred twenty-two trillion, two hundred twenty billion, two million, two hundred twenty-one thousand".