100002011222021 has 4 divisors (see below), whose sum is σ = 100137331941600. Its totient is φ = 99866690502444.

The previous prime is 100002011222011. The next prime is 100002011222027. The reversal of 100002011222021 is 120222110200001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100002011222021 - 2¹⁰ = 100002011220997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100002011221987 and 100002011222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100002011222027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67660358681 + ... + 67660360158.

It is an arithmetic number, because the mean of its divisors is an integer number (25034332985400).

Almost surely, 2^{100002011222021} is an apocalyptic number.

It is an amenable number.

100002011222021 is a deficient number, since it is larger than the sum of its proper divisors (135320719579).

100002011222021 is an equidigital number, since it uses as much as digits as its factorization.

100002011222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135320719578.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100002011222021 its reverse (120222110200001), we get a palindrome (220224121422022).

The spelling of 100002011222021 in words is "one hundred trillion, two billion, eleven million, two hundred twenty-two thousand, twenty-one".