122001102018 has 64 divisors (see below), whose sum is σ = 274055270400. Its totient is φ = 40228045200.

The previous prime is 122001102017. The next prime is 122001102019. The reversal of 122001102018 is 810201100221.

It is an interprime number because it is at equal distance from previous prime (122001102017) and next prime (122001102019).

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122001102017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1917505 + ... + 1980107.

It is an arithmetic number, because the mean of its divisors is an integer number (4282113600).

Almost surely, 2^122001102018 is an apocalyptic number.

122001102018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122001102018 is an abundant number, since it is smaller than the sum of its proper divisors (152054168382).

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

122001102018 is a wasteful number, since it uses less digits than its factorization.

122001102018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63004 (or 62998 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122001102018 its reverse (810201100221), we get a palindrome (932202202239).

The spelling of 122001102018 in words is "one hundred twenty-two billion, one million, one hundred two thousand, eighteen".