10131020321102 has 4 divisors (see below), whose sum is σ = 15196530481656. Its totient is φ = 5065510160550.

The previous prime is 10131020321027. The next prime is 10131020321117. The reversal of 10131020321102 is 20112302013101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532755080274 + ... + 2532755080277.

It is an arithmetic number, because the mean of its divisors is an integer number (3799132620414).

Almost surely, 2^{10131020321102} is an apocalyptic number.

10131020321102 is a deficient number, since it is larger than the sum of its proper divisors (5065510160554).

10131020321102 is an equidigital number, since it uses as much as digits as its factorization.

10131020321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065510160553.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10131020321102 its reverse (20112302013101), we get a palindrome (30243322334203).

The spelling of 10131020321102 in words is "ten trillion, one hundred thirty-one billion, twenty million, three hundred twenty-one thousand, one hundred two".