122011221330 has 48 divisors (see below), whose sum is σ = 331021753920. Its totient is φ = 31121702304.

The previous prime is 122011221323. The next prime is 122011221337. The reversal of 122011221330 is 33122110221.

122011221330 is a `hidden beast` number, since 1 + 220 + 112 + 2 + 1 + 330 = 666.

It is an interprime number because it is at equal distance from previous prime (122011221323) and next prime (122011221337).

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

It is not an unprimeable number, because it can be changed into a prime (122011221337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29469240 + ... + 29473379.

It is an arithmetic number, because the mean of its divisors is an integer number (6896286540).

Almost surely, 2^122011221330 is an apocalyptic number.

122011221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122011221330 is an abundant number, since it is smaller than the sum of its proper divisors (209010532590).

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

122011221330 is a wasteful number, since it uses less digits than its factorization.

122011221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58942655 (or 58942652 counting only the distinct ones).

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

Adding to 122011221330 its reverse (33122110221), we get a palindrome (155133331551).

The spelling of 122011221330 in words is "one hundred twenty-two billion, eleven million, two hundred twenty-one thousand, three hundred thirty".