121120002001002 has 64 divisors (see below), whose sum is σ = 258685412428800. Its totient is φ = 37722431255040.

The previous prime is 121120002000953. The next prime is 121120002001007. The reversal of 121120002001002 is 200100200021121.

It is not an unprimeable number, because it can be changed into a prime (121120002001007) 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, 167808624 + ... + 168528852.

It is an arithmetic number, because the mean of its divisors is an integer number (4041959569200).

Almost surely, 2^{121120002001002} is an apocalyptic number.

121120002001002 is an abundant number, since it is smaller than the sum of its proper divisors (137565410427798).

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

121120002001002 is a wasteful number, since it uses less digits than its factorization.

121120002001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751471.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121120002001002 its reverse (200100200021121), we get a palindrome (321220202022123).

The spelling of 121120002001002 in words is "one hundred twenty-one trillion, one hundred twenty billion, two million, one thousand, two".