102120012120121 has 8 divisors (see below), whose sum is σ = 103834939521024. Its totient is φ = 100419316482240.

The previous prime is 102120012120031. The next prime is 102120012120173. The reversal of 102120012120121 is 121021210021201.

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 102120012120121 - 2²³ = 102120003731513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102120012120095 and 102120012120104.

It is not an unprimeable number, because it can be changed into a prime (102120012120221) 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, 3557926285 + ... + 3557954986.

It is an arithmetic number, because the mean of its divisors is an integer number (12979367440128).

Almost surely, 2^{102120012120121} is an apocalyptic number.

It is an amenable number.

102120012120121 is a deficient number, since it is larger than the sum of its proper divisors (1714927400903).

102120012120121 is a wasteful number, since it uses less digits than its factorization.

102120012120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115881511.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102120012120121 its reverse (121021210021201), we get a palindrome (223141222141322).

The spelling of 102120012120121 in words is "one hundred two trillion, one hundred twenty billion, twelve million, one hundred twenty thousand, one hundred twenty-one".