2102122100121 has 8 divisors (see below), whose sum is σ = 2803205664864. Its totient is φ = 1401226634400.

The previous prime is 2102122100093. The next prime is 2102122100131. The reversal of 2102122100121 is 1210012212012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2102122100121 - 2¹⁰ = 2102122099097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102122100121.

It is not an unprimeable number, because it can be changed into a prime (2102122100131) 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 7 ways as a sum of consecutive naturals, for example, 46998676 + ... + 47043381.

It is an arithmetic number, because the mean of its divisors is an integer number (350400708108).

Almost surely, 2^{2102122100121} is an apocalyptic number.

It is an amenable number.

2102122100121 is a deficient number, since it is larger than the sum of its proper divisors (701083564743).

2102122100121 is an equidigital number, since it uses as much as digits as its factorization.

2102122100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94049511.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2102122100121 its reverse (1210012212012), we get a palindrome (3312134312133).

The spelling of 2102122100121 in words is "two trillion, one hundred two billion, one hundred twenty-two million, one hundred thousand, one hundred twenty-one".