2121001123202 has 32 divisors (see below), whose sum is σ = 3446327630592. Its totient is φ = 973197457344.

The previous prime is 2121001123169. The next prime is 2121001123253. The reversal of 2121001123202 is 2023211001212.

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, 3011648 + ... + 3648564.

It is an arithmetic number, because the mean of its divisors is an integer number (107697738456).

Almost surely, 2^{2121001123202} is an apocalyptic number.

2121001123202 is a deficient number, since it is larger than the sum of its proper divisors (1325326507390).

2121001123202 is a wasteful number, since it uses less digits than its factorization.

2121001123202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637682.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2121001123202 its reverse (2023211001212), we get a palindrome (4144212124414).

The spelling of 2121001123202 in words is "two trillion, one hundred twenty-one billion, one million, one hundred twenty-three thousand, two hundred two".