1023101131021 has 8 divisors (see below), whose sum is σ = 1060213757184. Its totient is φ = 986245340160.

The previous prime is 1023101131009. The next prime is 1023101131049. The reversal of 1023101131021 is 1201311013201.

It is a happy number.

1023101131021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023101131021 - 2³⁷ = 885662177549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023101130986 and 1023101131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023101131061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64200715 + ... + 64216648.

It is an arithmetic number, because the mean of its divisors is an integer number (132526719648).

Almost surely, 2^{1023101131021} is an apocalyptic number.

It is an amenable number.

1023101131021 is a deficient number, since it is larger than the sum of its proper divisors (37112626163).

1023101131021 is a wasteful number, since it uses less digits than its factorization.

1023101131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128417651.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1023101131021 its reverse (1201311013201), we get a palindrome (2224412144222).

The spelling of 1023101131021 in words is "one trillion, twenty-three billion, one hundred one million, one hundred thirty-one thousand, twenty-one".