100102021220005 has 12 divisors (see below), whose sum is σ = 139734250029900. Its totient is φ = 68641385979264.

The previous prime is 100102021219957. The next prime is 100102021220059. The reversal of 100102021220005 is 500022120201001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63709674003556 + 36392347216449 = 7981834^2 + 6032607^2 .

It is not a de Polignac number, because 100102021220005 - 2²³ = 100102012831397 is a prime.

It is a super-2 number, since 2×100102021220005² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204289838980 + ... + 204289839469.

It is an arithmetic number, because the mean of its divisors is an integer number (11644520835825).

Almost surely, 2^{100102021220005} is an apocalyptic number.

It is an amenable number.

100102021220005 is a deficient number, since it is larger than the sum of its proper divisors (39632228809895).

100102021220005 is an equidigital number, since it uses as much as digits as its factorization.

100102021220005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408579678468 (or 408579678461 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 100102021220005 its reverse (500022120201001), we get a palindrome (600124141421006).

The spelling of 100102021220005 in words is "one hundred trillion, one hundred two billion, twenty-one million, two hundred twenty thousand, five".