202011233101 has 4 divisors (see below), whose sum is σ = 202449435804. Its totient is φ = 201573030400.

The previous prime is 202011233089. The next prime is 202011233107. The reversal of 202011233101 is 101332110202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 92118320100 + 109892913001 = 303510^2 + 331501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202011233101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011233107) 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, 219100660 + ... + 219101581.

It is an arithmetic number, because the mean of its divisors is an integer number (50612358951).

Almost surely, 2^202011233101 is an apocalyptic number.

It is an amenable number.

202011233101 is a deficient number, since it is larger than the sum of its proper divisors (438202703).

202011233101 is an equidigital number, since it uses as much as digits as its factorization.

202011233101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438202702.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 202011233101 its reverse (101332110202), we get a palindrome (303343343303).

The spelling of 202011233101 in words is "two hundred two billion, eleven million, two hundred thirty-three thousand, one hundred one".