122202221020 has 24 divisors (see below), whose sum is σ = 279954179568. Its totient is φ = 44437171200.

The previous prime is 122202220901. The next prime is 122202221021. The reversal of 122202221020 is 20122202221.

It is a junction number, because it is equal to n+sod(n) for n = 122202220985 and 122202221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202221021) 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, 277732101 + ... + 277732540.

It is an arithmetic number, because the mean of its divisors is an integer number (11664757482).

Almost surely, 2^122202221020 is an apocalyptic number.

122202221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202221020 is an abundant number, since it is smaller than the sum of its proper divisors (157751958548).

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

122202221020 is a wasteful number, since it uses less digits than its factorization.

122202221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555464661 (or 555464659 counting only the distinct ones).

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

Adding to 122202221020 its reverse (20122202221), we get a palindrome (142324423241).

The spelling of 122202221020 in words is "one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, twenty".