122102002158 has 8 divisors (see below), whose sum is σ = 244204004328. Its totient is φ = 40700667384.

The previous prime is 122102002117. The next prime is 122102002159. The reversal of 122102002158 is 851200201221.

It is a sphenic number, since it is the product of 3 distinct primes.

122102002158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102002159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10175166841 + ... + 10175166852.

It is an arithmetic number, because the mean of its divisors is an integer number (30525500541).

Almost surely, 2^122102002158 is an apocalyptic number.

122102002158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122102002158 is a wasteful number, since it uses less digits than its factorization.

122102002158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20350333698.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 122102002158 its reverse (851200201221), we get a palindrome (973302203379).

The spelling of 122102002158 in words is "one hundred twenty-two billion, one hundred two million, two thousand, one hundred fifty-eight".