122115315201 has 48 divisors (see below), whose sum is σ = 182011491648. Its totient is φ = 72757301760.

The previous prime is 122115315199. The next prime is 122115315209. The reversal of 122115315201 is 102513511221.

It is not a de Polignac number, because 122115315201 - 2¹ = 122115315199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122115315209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8286826 + ... + 8301548.

It is an arithmetic number, because the mean of its divisors is an integer number (3791906076).

Almost surely, 2^122115315201 is an apocalyptic number.

122115315201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122115315201 is a deficient number, since it is larger than the sum of its proper divisors (59896176447).

122115315201 is a wasteful number, since it uses less digits than its factorization.

122115315201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15134 (or 15123 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 122115315201 its reverse (102513511221), we get a palindrome (224628826422).

The spelling of 122115315201 in words is "one hundred twenty-two billion, one hundred fifteen million, three hundred fifteen thousand, two hundred one".