122211000020 has 48 divisors (see below), whose sum is σ = 267904965888. Its totient is φ = 46740925440.

The previous prime is 122211000019. The next prime is 122211000077. The reversal of 122211000020 is 20000112221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122210999965 and 122211000010.

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, 1172225 + ... + 1272215.

It is an arithmetic number, because the mean of its divisors is an integer number (5581353456).

Almost surely, 2^122211000020 is an apocalyptic number.

122211000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122211000020 is an abundant number, since it is smaller than the sum of its proper divisors (145693965868).

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

122211000020 is a wasteful number, since it uses less digits than its factorization.

122211000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102680 (or 102678 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122211000020 its reverse (20000112221), we get a palindrome (142211112241).

The spelling of 122211000020 in words is "one hundred twenty-two billion, two hundred eleven million, twenty", and thus it is an aban number.