102120111314101 has 4 divisors (see below), whose sum is σ = 102120149637900. Its totient is φ = 102120072990304.

The previous prime is 102120111313999. The next prime is 102120111314201. The reversal of 102120111314101 is 101413111021201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58376094180625 + 43744017133476 = 7640425^2 + 6613926^2 .

It is a cyclic number.

It is not a de Polignac number, because 102120111314101 - 2⁹ = 102120111313589 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 (102120111314201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14839966 + ... + 20602543.

It is an arithmetic number, because the mean of its divisors is an integer number (25530037409475).

Almost surely, 2^{102120111314101} is an apocalyptic number.

It is an amenable number.

102120111314101 is a deficient number, since it is larger than the sum of its proper divisors (38323799).

102120111314101 is an equidigital number, since it uses as much as digits as its factorization.

102120111314101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38323798.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 102120111314101 its reverse (101413111021201), we get a palindrome (203533222335302).

The spelling of 102120111314101 in words is "one hundred two trillion, one hundred twenty billion, one hundred eleven million, three hundred fourteen thousand, one hundred one".