102121111002201 has 8 divisors (see below), whose sum is σ = 136679205600960. Its totient is φ = 67821878535792.

The previous prime is 102121111002161. The next prime is 102121111002203. The reversal of 102121111002201 is 102200111121201.

It is a happy number.

102121111002201 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 102121111002201 - 2²⁵ = 102121077447769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102121111002203) 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, 64715532166 + ... + 64715533743.

It is an arithmetic number, because the mean of its divisors is an integer number (17084900700120).

Almost surely, 2^{102121111002201} is an apocalyptic number.

It is an amenable number.

102121111002201 is a deficient number, since it is larger than the sum of its proper divisors (34558094598759).

102121111002201 is a wasteful number, since it uses less digits than its factorization.

102121111002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129431066175.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102121111002201 its reverse (102200111121201), we get a palindrome (204321222123402).

The spelling of 102121111002201 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred eleven million, two thousand, two hundred one".