101210203013 has 4 divisors (see below), whose sum is σ = 101211101100. Its totient is φ = 101209304928.

The previous prime is 101210203009. The next prime is 101210203027. The reversal of 101210203013 is 310302012101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 310302012101 = 5953 ⋅52125317.

It can be written as a sum of positive squares in 2 ways, for example, as 65128060804 + 36082142209 = 255202^2 + 189953^2 .

It is a cyclic number.

It is not a de Polignac number, because 101210203013 - 2² = 101210203009 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 (101210203043) 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, 250838 + ... + 515111.

It is an arithmetic number, because the mean of its divisors is an integer number (25302775275).

Almost surely, 2^101210203013 is an apocalyptic number.

It is an amenable number.

101210203013 is a deficient number, since it is larger than the sum of its proper divisors (898087).

101210203013 is an equidigital number, since it uses as much as digits as its factorization.

101210203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898086.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 101210203013 its reverse (310302012101), we get a palindrome (411512215114).

The spelling of 101210203013 in words is "one hundred one billion, two hundred ten million, two hundred three thousand, thirteen".