102120212111201 has 16 divisors (see below), whose sum is σ = 105788661854400. Its totient is φ = 98507892806400.

The previous prime is 102120212111179. The next prime is 102120212111249. The reversal of 102120212111201 is 102111212021201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102120212111201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102120212111201.

It is not an unprimeable number, because it can be changed into a prime (102120212111261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181771790 + ... + 182332728.

It is an arithmetic number, because the mean of its divisors is an integer number (6611791365900).

Almost surely, 2^{102120212111201} is an apocalyptic number.

It is an amenable number.

102120212111201 is a deficient number, since it is larger than the sum of its proper divisors (3668449743199).

102120212111201 is an equidigital number, since it uses as much as digits as its factorization.

102120212111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610960.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102120212111201 its reverse (102111212021201), we get a palindrome (204231424132402).

The spelling of 102120212111201 in words is "one hundred two trillion, one hundred twenty billion, two hundred twelve million, one hundred eleven thousand, two hundred one".