102120100110331 has 4 divisors (see below), whose sum is σ = 102158884807272. Its totient is φ = 102081315413392.

The previous prime is 102120100110323. The next prime is 102120100110461. The reversal of 102120100110331 is 133011001021201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102120100110331 - 2³ = 102120100110323 is a prime.

It is a super-2 number, since 2×102120100110331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120100150331) 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, 19392344521 + ... + 19392349786.

It is an arithmetic number, because the mean of its divisors is an integer number (25539721201818).

Almost surely, 2^{102120100110331} is an apocalyptic number.

102120100110331 is a deficient number, since it is larger than the sum of its proper divisors (38784696941).

102120100110331 is an equidigital number, since it uses as much as digits as its factorization.

102120100110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38784696940.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 102120100110331 its reverse (133011001021201), we get a palindrome (235131101131532).

The spelling of 102120100110331 in words is "one hundred two trillion, one hundred twenty billion, one hundred million, one hundred ten thousand, three hundred thirty-one".