102010110031121 has 4 divisors (see below), whose sum is σ = 108010704738852. Its totient is φ = 96009515323392.

The previous prime is 102010110031099. The next prime is 102010110031133. The reversal of 102010110031121 is 121130011010201.

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 70200284430721 + 31809825600400 = 8378561^2 + 5640020^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010110031121 - 2⁴² = 97612063520017 is a prime.

It is a super-2 number, since 2×102010110031121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102010110031096 and 102010110031105.

It is not an unprimeable number, because it can be changed into a prime (102010110031021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000297353840 + ... + 3000297353873.

It is an arithmetic number, because the mean of its divisors is an integer number (27002676184713).

Almost surely, 2^{102010110031121} is an apocalyptic number.

It is an amenable number.

102010110031121 is a deficient number, since it is larger than the sum of its proper divisors (6000594707731).

102010110031121 is an equidigital number, since it uses as much as digits as its factorization.

102010110031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000594707730.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 102010110031121 its reverse (121130011010201), we get a palindrome (223140121041322).

The spelling of 102010110031121 in words is "one hundred two trillion, ten billion, one hundred ten million, thirty-one thousand, one hundred twenty-one".