122101000000002 has 48 divisors (see below), whose sum is σ = 281337264482040. Its totient is φ = 38138920091136.

The previous prime is 122100999999961. The next prime is 122101000000013. The reversal of 122101000000002 is 200000000101221.

It can be written as a sum of positive squares in 4 ways, for example, as 122100754106241 + 245893761 = 11049921^2 + 15681^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

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 23 ways as a sum of consecutive naturals, for example, 871158913 + ... + 871299060.

Almost surely, 2^{122101000000002} is an apocalyptic number.

122101000000002 is an abundant number, since it is smaller than the sum of its proper divisors (159236264482038).

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

122101000000002 is a wasteful number, since it uses less digits than its factorization.

122101000000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742458227 (or 1742458224 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 122101000000002 its reverse (200000000101221), we get a palindrome (322101000101223).

The spelling of 122101000000002 in words is "one hundred twenty-two trillion, one hundred one billion, two", and thus it is an aban number.