2002244100121 has 4 divisors (see below), whose sum is σ = 2120023164852. Its totient is φ = 1884465035392.

The previous prime is 2002244100089. The next prime is 2002244100137. The reversal of 2002244100121 is 1210014422002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1580893816896 + 421350283225 = 1257336^2 + 649115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002244100121 - 2⁵ = 2002244100089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002244100161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58889532340 + ... + 58889532373.

It is an arithmetic number, because the mean of its divisors is an integer number (530005791213).

Almost surely, 2^{2002244100121} is an apocalyptic number.

It is an amenable number.

2002244100121 is a deficient number, since it is larger than the sum of its proper divisors (117779064731).

2002244100121 is a wasteful number, since it uses less digits than its factorization.

2002244100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117779064730.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2002244100121 its reverse (1210014422002), we get a palindrome (3212258522123).

The spelling of 2002244100121 in words is "two trillion, two billion, two hundred forty-four million, one hundred thousand, one hundred twenty-one".