200102110120121 has 16 divisors (see below), whose sum is σ = 218394824693760. Its totient is φ = 181826335691280.

The previous prime is 200102110120111. The next prime is 200102110120169. The reversal of 200102110120121 is 121021011201002.

It is a cyclic number.

It is not a de Polignac number, because 200102110120121 - 2¹⁰ = 200102110119097 is a prime.

It is a super-2 number, since 2×200102110120121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200102110120096 and 200102110120105.

It is not an unprimeable number, because it can be changed into a prime (200102110120111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109006450 + ... + 1109186868.

It is an arithmetic number, because the mean of its divisors is an integer number (13649676543360).

Almost surely, 2^{200102110120121} is an apocalyptic number.

It is an amenable number.

200102110120121 is a deficient number, since it is larger than the sum of its proper divisors (18292714573639).

200102110120121 is a wasteful number, since it uses less digits than its factorization.

200102110120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226804.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200102110120121 its reverse (121021011201002), we get a palindrome (321123121321123).

The spelling of 200102110120121 in words is "two hundred trillion, one hundred two billion, one hundred ten million, one hundred twenty thousand, one hundred twenty-one".