2202001002121 has 16 divisors (see below), whose sum is σ = 2406864015360. Its totient is φ = 2005515210240.

The previous prime is 2202001002083. The next prime is 2202001002143. The reversal of 2202001002121 is 1212001002022.

It is a happy number.

It is not a de Polignac number, because 2202001002121 - 2²¹ = 2201998904969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202001002181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11401800 + ... + 11593318.

It is an arithmetic number, because the mean of its divisors is an integer number (150429000960).

Almost surely, 2^{2202001002121} is an apocalyptic number.

It is an amenable number.

2202001002121 is a deficient number, since it is larger than the sum of its proper divisors (204863013239).

2202001002121 is a wasteful number, since it uses less digits than its factorization.

2202001002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213384.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2202001002121 its reverse (1212001002022), we get a palindrome (3414002004143).

Subtracting from 2202001002121 its reverse (1212001002022), we obtain a palindrome (990000000099).

The spelling of 2202001002121 in words is "two trillion, two hundred two billion, one million, two thousand, one hundred twenty-one".