10201031230021 has 4 divisors (see below), whose sum is σ = 10353285427552. Its totient is φ = 10048777032492.

The previous prime is 10201031229959. The next prime is 10201031230063. The reversal of 10201031230021 is 12003213010201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10201031230021 - 2²⁹ = 10200494359109 is a prime.

It is a super-2 number, since 2×10201031230021² (a number of 27 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 = 10201031229977 and 10201031230004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201031930021) 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, 76127098665 + ... + 76127098798.

It is an arithmetic number, because the mean of its divisors is an integer number (2588321356888).

Almost surely, 2^{10201031230021} is an apocalyptic number.

It is an amenable number.

10201031230021 is a deficient number, since it is larger than the sum of its proper divisors (152254197531).

10201031230021 is an equidigital number, since it uses as much as digits as its factorization.

10201031230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152254197530.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10201031230021 its reverse (12003213010201), we get a palindrome (22204244240222).

The spelling of 10201031230021 in words is "ten trillion, two hundred one billion, thirty-one million, two hundred thirty thousand, twenty-one".