202011022101 has 16 divisors (see below), whose sum is σ = 310176142848. Its totient is φ = 114553686000.

The previous prime is 202011022093. The next prime is 202011022139. The reversal of 202011022101 is 101220110202.

It is not a de Polignac number, because 202011022101 - 2³ = 202011022093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011022181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36713175 + ... + 36718676.

It is an arithmetic number, because the mean of its divisors is an integer number (19386008928).

Almost surely, 2^202011022101 is an apocalyptic number.

202011022101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202011022101 is a deficient number, since it is larger than the sum of its proper divisors (108165120747).

202011022101 is a wasteful number, since it uses less digits than its factorization.

202011022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73431992.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202011022101 its reverse (101220110202), we get a palindrome (303231132303).

The spelling of 202011022101 in words is "two hundred two billion, eleven million, twenty-two thousand, one hundred one".