122550253331 has 6 divisors (see below), whose sum is σ = 134703997596. Its totient is φ = 111409321100.

The previous prime is 122550253321. The next prime is 122550253339. The reversal of 122550253331 is 133352055221.

It is a de Polignac number, because none of the positive numbers 2^k-122550253331 is a prime.

It is a super-2 number, since 2×122550253331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122550253339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506405885 + ... + 506406126.

It is an arithmetic number, because the mean of its divisors is an integer number (22450666266).

Almost surely, 2^122550253331 is an apocalyptic number.

122550253331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122550253331 is a deficient number, since it is larger than the sum of its proper divisors (12153744265).

122550253331 is a wasteful number, since it uses less digits than its factorization.

122550253331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012812033 (or 1012812022 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 122550253331 in words is "one hundred twenty-two billion, five hundred fifty million, two hundred fifty-three thousand, three hundred thirty-one".