2121102203001 has 4 divisors (see below), whose sum is σ = 2828136270672. Its totient is φ = 1414068135332.

The previous prime is 2121102202997. The next prime is 2121102203027. The reversal of 2121102203001 is 1003022011212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2121102203001 - 2² = 2121102202997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121102203071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353517033831 + ... + 353517033836.

It is an arithmetic number, because the mean of its divisors is an integer number (707034067668).

Almost surely, 2^{2121102203001} is an apocalyptic number.

It is an amenable number.

2121102203001 is a deficient number, since it is larger than the sum of its proper divisors (707034067671).

2121102203001 is an equidigital number, since it uses as much as digits as its factorization.

2121102203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707034067670.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2121102203001 its reverse (1003022011212), we get a palindrome (3124124214213).

The spelling of 2121102203001 in words is "two trillion, one hundred twenty-one billion, one hundred two million, two hundred three thousand, one".