102021120121101 has 8 divisors (see below), whose sum is σ = 136028226762624. Its totient is φ = 68014046780160.

The previous prime is 102021120121099. The next prime is 102021120121111. The reversal of 102021120121101 is 101121021120201.

It is a happy number.

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

It is not a de Polignac number, because 102021120121101 - 2¹ = 102021120121099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021120121111) 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, 17740 + ... + 14284346.

It is an arithmetic number, because the mean of its divisors is an integer number (17003528345328).

Almost surely, 2^{102021120121101} is an apocalyptic number.

It is an amenable number.

102021120121101 is a deficient number, since it is larger than the sum of its proper divisors (34007106641523).

102021120121101 is a wasteful number, since it uses less digits than its factorization.

102021120121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650291.

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

Adding to 102021120121101 its reverse (101121021120201), we get a palindrome (203142141241302).

The spelling of 102021120121101 in words is "one hundred two trillion, twenty-one billion, one hundred twenty million, one hundred twenty-one thousand, one hundred one".