202102022101 has 8 divisors (see below), whose sum is σ = 230979968064. Its totient is φ = 173225633280.

The previous prime is 202102022099. The next prime is 202102022107. The reversal of 202102022101 is 101220201202.

It is a happy number.

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

It is not a de Polignac number, because 202102022101 - 2¹ = 202102022099 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 (202102022107) 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, 96475 + ... + 643048.

It is an arithmetic number, because the mean of its divisors is an integer number (28872496008).

Almost surely, 2^202102022101 is an apocalyptic number.

It is an amenable number.

202102022101 is a deficient number, since it is larger than the sum of its proper divisors (28877945963).

202102022101 is an equidigital number, since it uses as much as digits as its factorization.

202102022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778571.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202102022101 its reverse (101220201202), we get a palindrome (303322223303).

The spelling of 202102022101 in words is "two hundred two billion, one hundred two million, twenty-two thousand, one hundred one".