100020211022101 has 4 divisors (see below), whose sum is σ = 100020233360332. Its totient is φ = 100020188683872.

The previous prime is 100020211022099. The next prime is 100020211022113. The reversal of 100020211022101 is 101220112020001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22668168432100 + 77352042590001 = 4761110^2 + 8795001^2 .

It is a cyclic number.

It is not a de Polignac number, because 100020211022101 - 2¹ = 100020211022099 is a prime.

It is a super-2 number, since 2×100020211022101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020211020101) 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, 1874670 + ... + 14267263.

It is an arithmetic number, because the mean of its divisors is an integer number (25005058340083).

Almost surely, 2^{100020211022101} is an apocalyptic number.

It is an amenable number.

100020211022101 is a deficient number, since it is larger than the sum of its proper divisors (22338231).

100020211022101 is an equidigital number, since it uses as much as digits as its factorization.

100020211022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22338230.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100020211022101 its reverse (101220112020001), we get a palindrome (201240323042102).

The spelling of 100020211022101 in words is "one hundred trillion, twenty billion, two hundred eleven million, twenty-two thousand, one hundred one".