102111220120001 has 16 divisors (see below), whose sum is σ = 108964805264640. Its totient is φ = 95472500460480.

The previous prime is 102111220119971. The next prime is 102111220120009. The reversal of 102111220120001 is 100021022111201.

It is a cyclic number.

It is not a de Polignac number, because 102111220120001 - 2⁴⁶ = 31742475942337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111220120009) 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, 155371685 + ... + 156027506.

It is an arithmetic number, because the mean of its divisors is an integer number (6810300329040).

Almost surely, 2^{102111220120001} is an apocalyptic number.

It is an amenable number.

102111220120001 is a deficient number, since it is larger than the sum of its proper divisors (6853585144639).

102111220120001 is a wasteful number, since it uses less digits than its factorization.

102111220120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311399536.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102111220120001 its reverse (100021022111201), we get a palindrome (202132242231202).

The spelling of 102111220120001 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty thousand, one".