1023011310021 has 8 divisors (see below), whose sum is σ = 1369449404064. Its totient is φ = 679290378000.

The previous prime is 1023011309963. The next prime is 1023011310029. The reversal of 1023011310021 is 1200131103201.

It is a happy number.

1023011310021 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 not a de Polignac number, because 1023011310021 - 2¹¹ = 1023011307973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023011310029) 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, 679289626 + ... + 679291131.

It is an arithmetic number, because the mean of its divisors is an integer number (171181175508).

Almost surely, 2^{1023011310021} is an apocalyptic number.

It is an amenable number.

1023011310021 is a deficient number, since it is larger than the sum of its proper divisors (346438094043).

1023011310021 is a wasteful number, since it uses less digits than its factorization.

1023011310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358581011.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1023011310021 its reverse (1200131103201), we get a palindrome (2223142413222).

The spelling of 1023011310021 in words is "one trillion, twenty-three billion, eleven million, three hundred ten thousand, twenty-one".