101021131313103 has 4 divisors (see below), whose sum is σ = 134694841750808. Its totient is φ = 67347420875400.

The previous prime is 101021131313023. The next prime is 101021131313177. The reversal of 101021131313103 is 301313131120101.

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

It is not a de Polignac number, because 101021131313103 - 2¹⁴ = 101021131296719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101021131313103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021131312103) 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, 16836855218848 + ... + 16836855218853.

It is an arithmetic number, because the mean of its divisors is an integer number (33673710437702).

Almost surely, 2^{101021131313103} is an apocalyptic number.

101021131313103 is a deficient number, since it is larger than the sum of its proper divisors (33673710437705).

101021131313103 is an equidigital number, since it uses as much as digits as its factorization.

101021131313103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33673710437704.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 101021131313103 its reverse (301313131120101), we get a palindrome (402334262433204).

The spelling of 101021131313103 in words is "one hundred one trillion, twenty-one billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred three".