122100315340 has 24 divisors (see below), whose sum is σ = 256871027952. Its totient is φ = 48752437440.

The previous prime is 122100315263. The next prime is 122100315373. The reversal of 122100315340 is 43513001221.

It is a happy number.

It is a super-2 number, since 2×122100315340² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5469126 + ... + 5491405.

It is an arithmetic number, because the mean of its divisors is an integer number (10702959498).

Almost surely, 2^122100315340 is an apocalyptic number.

122100315340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100315340 is an abundant number, since it is smaller than the sum of its proper divisors (134770712612).

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

122100315340 is a wasteful number, since it uses less digits than its factorization.

122100315340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961097 (or 10961095 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 122100315340 its reverse (43513001221), we get a palindrome (165613316561).

The spelling of 122100315340 in words is "one hundred twenty-two billion, one hundred million, three hundred fifteen thousand, three hundred forty".