122221031130 has 48 divisors (see below), whose sum is σ = 346663291104. Its totient is φ = 29629340640.

The previous prime is 122221031099. The next prime is 122221031167. The reversal of 122221031130 is 31130122221.

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, 61726804 + ... + 61728783.

It is an arithmetic number, because the mean of its divisors is an integer number (7222151898).

Almost surely, 2^122221031130 is an apocalyptic number.

122221031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221031130 is an abundant number, since it is smaller than the sum of its proper divisors (224442259974).

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

122221031130 is a wasteful number, since it uses less digits than its factorization.

122221031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123455611 (or 123455608 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122221031130 its reverse (31130122221), we get a palindrome (153351153351).

The spelling of 122221031130 in words is "one hundred twenty-two billion, two hundred twenty-one million, thirty-one thousand, one hundred thirty".