122201111020 has 24 divisors (see below), whose sum is σ = 261464266224. Its totient is φ = 47958171456.

The previous prime is 122201111017. The next prime is 122201111027. The reversal of 122201111020 is 20111102221.

It is a super-2 number, since 2×122201111020² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122201111027) 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, 57640974 + ... + 57643093.

It is an arithmetic number, because the mean of its divisors is an integer number (10894344426).

Almost surely, 2^122201111020 is an apocalyptic number.

122201111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201111020 is an abundant number, since it is smaller than the sum of its proper divisors (139263155204).

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

122201111020 is a wasteful number, since it uses less digits than its factorization.

122201111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115284129 (or 115284127 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122201111020 its reverse (20111102221), we get a palindrome (142312213241).

The spelling of 122201111020 in words is "one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, twenty".