122021122002 has 64 divisors (see below), whose sum is σ = 274474642176. Its totient is φ = 35882035200.

The previous prime is 122021122001. The next prime is 122021122019. The reversal of 122021122002 is 200221120221.

It is not an unprimeable number, because it can be changed into a prime (122021122001) 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, 2126278 + ... + 2182910.

It is an arithmetic number, because the mean of its divisors is an integer number (4288666284).

Almost surely, 2^122021122002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122021122002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137237321088).

122021122002 is an abundant number, since it is smaller than the sum of its proper divisors (152453520174).

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

122021122002 is a wasteful number, since it uses less digits than its factorization.

122021122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57875.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122021122002 its reverse (200221120221), we get a palindrome (322242242223).

The spelling of 122021122002 in words is "one hundred twenty-two billion, twenty-one million, one hundred twenty-two thousand, two".