102121021112001 has 8 divisors (see below), whose sum is σ = 136199048007360. Its totient is φ = 68061837478992.

The previous prime is 102121021111937. The next prime is 102121021112021. The reversal of 102121021112001 is 100211120121201.

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 102121021112001 - 2⁶ = 102121021111937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102121021112021) 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, 4710802941 + ... + 4710824618.

It is an arithmetic number, because the mean of its divisors is an integer number (17024881000920).

Almost surely, 2^{102121021112001} is an apocalyptic number.

It is an amenable number.

102121021112001 is a deficient number, since it is larger than the sum of its proper divisors (34078026895359).

102121021112001 is an equidigital number, since it uses as much as digits as its factorization.

102121021112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9421631175.

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

Adding to 102121021112001 its reverse (100211120121201), we get a palindrome (202332141233202).

The spelling of 102121021112001 in words is "one hundred two trillion, one hundred twenty-one billion, twenty-one million, one hundred twelve thousand, one".