102120100121101 has 8 divisors (see below), whose sum is σ = 104342226033024. Its totient is φ = 99900030785280.

The previous prime is 102120100121059. The next prime is 102120100121129. The reversal of 102120100121101 is 101121001021201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102120100121101 - 2¹¹ = 102120100119053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120100121161) 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, 514043635 + ... + 514242256.

It is an arithmetic number, because the mean of its divisors is an integer number (13042778254128).

Almost surely, 2^{102120100121101} is an apocalyptic number.

It is an amenable number.

102120100121101 is a deficient number, since it is larger than the sum of its proper divisors (2222125911923).

102120100121101 is a wasteful number, since it uses less digits than its factorization.

102120100121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028288051.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102120100121101 its reverse (101121001021201), we get a palindrome (203241101142302).

The spelling of 102120100121101 in words is "one hundred two trillion, one hundred twenty billion, one hundred million, one hundred twenty-one thousand, one hundred one".