101320202003021 has 16 divisors (see below), whose sum is σ = 102669905894400. Its totient is φ = 99975405129600.

The previous prime is 101320202002997. The next prime is 101320202003057. The reversal of 101320202003021 is 120300202023101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101320202003021 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 (101320202003821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83639711 + ... + 84842451.

It is an arithmetic number, because the mean of its divisors is an integer number (6416869118400).

Almost surely, 2^{101320202003021} is an apocalyptic number.

It is an amenable number.

101320202003021 is a deficient number, since it is larger than the sum of its proper divisors (1349703891379).

101320202003021 is a wasteful number, since it uses less digits than its factorization.

101320202003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204780.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 101320202003021 its reverse (120300202023101), we get a palindrome (221620404026122).

The spelling of 101320202003021 in words is "one hundred one trillion, three hundred twenty billion, two hundred two million, three thousand, twenty-one".