121103022001 has 6 divisors (see below), whose sum is σ = 131135225190. Its totient is φ = 111787404768.

The previous prime is 121103021981. The next prime is 121103022109. The reversal of 121103022001 is 100220301121.

It can be written as a sum of positive squares in 3 ways, for example, as 9461776 + 121093560225 = 3076^2 + 347985^2 .

It is not a de Polignac number, because 121103022001 - 2⁵ = 121103021969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121103022401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358292796 + ... + 358293133.

It is an arithmetic number, because the mean of its divisors is an integer number (21855870865).

Almost surely, 2^121103022001 is an apocalyptic number.

It is an amenable number.

121103022001 is a deficient number, since it is larger than the sum of its proper divisors (10032203189).

121103022001 is an equidigital number, since it uses as much as digits as its factorization.

121103022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716585955 (or 716585942 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121103022001 its reverse (100220301121), we get a palindrome (221323323122).

The spelling of 121103022001 in words is "one hundred twenty-one billion, one hundred three million, twenty-two thousand, one".