122221211130 has 48 divisors (see below), whose sum is σ = 317842245864. Its totient is φ = 32585441280.

The previous prime is 122221211117. The next prime is 122221211141. The reversal of 122221211130 is 31112122221.

It can be written as a sum of positive squares in 4 ways, for example, as 80469236241 + 41751974889 = 283671^2 + 204333^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292570 + ... + 574490.

Almost surely, 2^122221211130 is an apocalyptic number.

122221211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221211130 is an abundant number, since it is smaller than the sum of its proper divisors (195621034734).

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

122221211130 is a wasteful number, since it uses less digits than its factorization.

122221211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286751 (or 286748 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122221211130 its reverse (31112122221), we get a palindrome (153333333351).

The spelling of 122221211130 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, one hundred thirty".