2102200202121 has 32 divisors (see below), whose sum is σ = 2896467932160. Its totient is φ = 1355458104000.

The previous prime is 2102200202117. The next prime is 2102200202149. The reversal of 2102200202121 is 1212020022012.

It is not a de Polignac number, because 2102200202121 - 2² = 2102200202117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102200202121.

It is not an unprimeable number, because it can be changed into a prime (2102200272121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141545346 + ... + 141560196.

It is an arithmetic number, because the mean of its divisors is an integer number (90514622880).

Almost surely, 2^{2102200202121} is an apocalyptic number.

It is an amenable number.

2102200202121 is a deficient number, since it is larger than the sum of its proper divisors (794267730039).

2102200202121 is a wasteful number, since it uses less digits than its factorization.

2102200202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27517.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2102200202121 its reverse (1212020022012), we get a palindrome (3314220224133).

The spelling of 2102200202121 in words is "two trillion, one hundred two billion, two hundred million, two hundred two thousand, one hundred twenty-one".