202000021101 has 48 divisors (see below), whose sum is σ = 313803322560. Its totient is φ = 129696940800.

The previous prime is 202000021063. The next prime is 202000021129. The reversal of 202000021101 is 101120000202.

202000021101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202000021101 - 2¹⁰ = 202000020077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202000021801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2790106 + ... + 2861588.

It is an arithmetic number, because the mean of its divisors is an integer number (6537569220).

Almost surely, 2^202000021101 is an apocalyptic number.

It is an amenable number.

202000021101 is a deficient number, since it is larger than the sum of its proper divisors (111803301459).

202000021101 is an equidigital number, since it uses as much as digits as its factorization.

202000021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71928 (or 71916 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 202000021101 its reverse (101120000202), we get a palindrome (303120021303).

The spelling of 202000021101 in words is "two hundred two billion, twenty-one thousand, one hundred one".