102121200210201 has 16 divisors (see below), whose sum is σ = 138887157448704. Its totient is φ = 66730938889104.

The previous prime is 102121200210167. The next prime is 102121200210209. The reversal of 102121200210201 is 102012002121201.

It is a de Polignac number, because none of the positive numbers 2^k-102121200210201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102121200210209) 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, 1614634921 + ... + 1614698166.

It is an arithmetic number, because the mean of its divisors is an integer number (8680447340544).

Almost surely, 2^{102121200210201} is an apocalyptic number.

It is an amenable number.

102121200210201 is a deficient number, since it is larger than the sum of its proper divisors (36765957238503).

102121200210201 is a wasteful number, since it uses less digits than its factorization.

102121200210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229333300.

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

Adding to 102121200210201 its reverse (102012002121201), we get a palindrome (204133202331402).

The spelling of 102121200210201 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred million, two hundred ten thousand, two hundred one".