10100221202021 has 4 divisors (see below), whose sum is σ = 10103075181600. Its totient is φ = 10097367222444.

The previous prime is 10100221201999. The next prime is 10100221202041. The reversal of 10100221202021 is 12020212200101.

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 10100221202021 - 2²² = 10100217007717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100221201987 and 10100221202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100221202041) 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, 1426984481 + ... + 1426991558.

It is an arithmetic number, because the mean of its divisors is an integer number (2525768795400).

Almost surely, 2^{10100221202021} is an apocalyptic number.

It is an amenable number.

10100221202021 is a deficient number, since it is larger than the sum of its proper divisors (2853979579).

10100221202021 is an equidigital number, since it uses as much as digits as its factorization.

10100221202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853979578.

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

Adding to 10100221202021 its reverse (12020212200101), we get a palindrome (22120433402122).

The spelling of 10100221202021 in words is "ten trillion, one hundred billion, two hundred twenty-one million, two hundred two thousand, twenty-one".