100202202000021 has 24 divisors (see below), whose sum is σ = 147077703753120. Its totient is φ = 60635607730720.

The previous prime is 100202201999897. The next prime is 100202202000137. The reversal of 100202202000021 is 120000202202001.

It is not a de Polignac number, because 100202202000021 - 2⁹ = 100202201999509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100202201999970 and 100202202000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202202005021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211125231 + ... + 211599308.

It is an arithmetic number, because the mean of its divisors is an integer number (6128237656380).

Almost surely, 2^{100202202000021} is an apocalyptic number.

100202202000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100202202000021 is a deficient number, since it is larger than the sum of its proper divisors (46875501753099).

100202202000021 is a wasteful number, since it uses less digits than its factorization.

100202202000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422725217 (or 422725206 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 100202202000021 its reverse (120000202202001), we get a palindrome (220202404202022).

The spelling of 100202202000021 in words is "one hundred trillion, two hundred two billion, two hundred two million, twenty-one", and thus it is an aban number.