2102200010121 has 8 divisors (see below), whose sum is σ = 2812837706080. Its totient is φ = 1396514493792.

The previous prime is 2102200010111. The next prime is 2102200010129. The reversal of 2102200010121 is 1210100022012.

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

It is not a de Polignac number, because 2102200010121 - 2⁵ = 2102200010089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2102200010097 and 2102200010106.

It is not an unprimeable number, because it can be changed into a prime (2102200010129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238043916 + ... + 1238045613.

It is an arithmetic number, because the mean of its divisors is an integer number (351604713260).

Almost surely, 2^{2102200010121} is an apocalyptic number.

It is an amenable number.

2102200010121 is a deficient number, since it is larger than the sum of its proper divisors (710637695959).

2102200010121 is a wasteful number, since it uses less digits than its factorization.

2102200010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476089815.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2102200010121 its reverse (1210100022012), we get a palindrome (3312300032133).

The spelling of 2102200010121 in words is "two trillion, one hundred two billion, two hundred million, ten thousand, one hundred twenty-one".