202011211023 has 8 divisors (see below), whose sum is σ = 272757753600. Its totient is φ = 132969404568.

The previous prime is 202011211009. The next prime is 202011211027. The reversal of 202011211023 is 320112110202.

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

It is not a de Polignac number, because 202011211023 - 2⁴ = 202011211007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202011210993 and 202011211011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011211027) 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, 426183753 + ... + 426184226.

It is an arithmetic number, because the mean of its divisors is an integer number (34094719200).

Almost surely, 2^202011211023 is an apocalyptic number.

202011211023 is a deficient number, since it is larger than the sum of its proper divisors (70746542577).

202011211023 is an equidigital number, since it uses as much as digits as its factorization.

202011211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852368061.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 202011211023 its reverse (320112110202), we get a palindrome (522123321225).

The spelling of 202011211023 in words is "two hundred two billion, eleven million, two hundred eleven thousand, twenty-three".