10020101023 has 4 divisors (see below), whose sum is σ = 10021752720. Its totient is φ = 10018449328.

The previous prime is 10020100969. The next prime is 10020101059. The reversal of 10020101023 is 32010102001.

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

It is a cyclic number.

It is not a de Polignac number, because 10020101023 - 2²¹ = 10018003871 is a prime.

It is a super-2 number, since 2×10020101023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020102023) 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, 816715 + ... + 828892.

It is an arithmetic number, because the mean of its divisors is an integer number (2505438180).

Almost surely, 2^10020101023 is an apocalyptic number.

10020101023 is a deficient number, since it is larger than the sum of its proper divisors (1651697).

10020101023 is an equidigital number, since it uses as much as digits as its factorization.

10020101023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651696.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10020101023 its reverse (32010102001), we get a palindrome (42030203024).

The spelling of 10020101023 in words is "ten billion, twenty million, one hundred one thousand, twenty-three".