201021210202023 has 48 divisors (see below), whose sum is σ = 296921114957376. Its totient is φ = 131014680145920.

The previous prime is 201021210201983. The next prime is 201021210202027. The reversal of 201021210202023 is 320202012120102.

It is not a de Polignac number, because 201021210202023 - 2²⁹ = 201020673331111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201021210201987 and 201021210202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021210202027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 956423661 + ... + 956633817.

It is an arithmetic number, because the mean of its divisors is an integer number (6185856561612).

Almost surely, 2^{201021210202023} is an apocalyptic number.

201021210202023 is a deficient number, since it is larger than the sum of its proper divisors (95899904755353).

201021210202023 is a wasteful number, since it uses less digits than its factorization.

201021210202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220824 (or 220821 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201021210202023 its reverse (320202012120102), we get a palindrome (521223222322125).

The spelling of 201021210202023 in words is "two hundred one trillion, twenty-one billion, two hundred ten million, two hundred two thousand, twenty-three".