100010102021 has 8 divisors (see below), whose sum is σ = 104382382104. Its totient is φ = 95729870080.

The previous prime is 100010102011. The next prime is 100010102029. The reversal of 100010102021 is 120201010001.

It can be written as a sum of positive squares in 4 ways, for example, as 21700236100 + 78309865921 = 147310^2 + 279839^2 .

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

It is not a de Polignac number, because 100010102021 - 2⁶ = 100010101957 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 (100010102029) 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, 23009816 + ... + 23014161.

It is an arithmetic number, because the mean of its divisors is an integer number (13047797763).

Almost surely, 2^100010102021 is an apocalyptic number.

It is an amenable number.

100010102021 is a deficient number, since it is larger than the sum of its proper divisors (4372280083).

100010102021 is an equidigital number, since it uses as much as digits as its factorization.

100010102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46024071.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100010102021 its reverse (120201010001), we get a palindrome (220211112022).

The spelling of 100010102021 in words is "one hundred billion, ten million, one hundred two thousand, twenty-one".