121100022121002 has 32 divisors (see below), whose sum is σ = 249022887853824. Its totient is φ = 39236799513600.

The previous prime is 121100022120971. The next prime is 121100022121063. The reversal of 121100022121002 is 200121220001121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908192583 + ... + 908325914.

It is an arithmetic number, because the mean of its divisors is an integer number (7781965245432).

Almost surely, 2^{121100022121002} is an apocalyptic number.

121100022121002 is an abundant number, since it is smaller than the sum of its proper divisors (127922865732822).

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

121100022121002 is a wasteful number, since it uses less digits than its factorization.

121100022121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816518814.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121100022121002 its reverse (200121220001121), we get a palindrome (321221242122123).

The spelling of 121100022121002 in words is "one hundred twenty-one trillion, one hundred billion, twenty-two million, one hundred twenty-one thousand, two".