100010220121001 has 4 divisors (see below), whose sum is σ = 100533833839104. Its totient is φ = 99486606402900.

The previous prime is 100010220120977. The next prime is 100010220121057. The reversal of 100010220121001 is 100121022010001.

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 a de Polignac number, because none of the positive numbers 2^k-100010220121001 is a prime.

It is a super-5 number, since 5×100010220121001⁵ (a number of 71 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100010220121601) 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, 261806858765 + ... + 261806859146.

It is an arithmetic number, because the mean of its divisors is an integer number (25133458459776).

Almost surely, 2^{100010220121001} is an apocalyptic number.

It is an amenable number.

100010220121001 is a deficient number, since it is larger than the sum of its proper divisors (523613718103).

100010220121001 is an equidigital number, since it uses as much as digits as its factorization.

100010220121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523613718102.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100010220121001 its reverse (100121022010001), we get a palindrome (200131242131002).

The spelling of 100010220121001 in words is "one hundred trillion, ten billion, two hundred twenty million, one hundred twenty-one thousand, one".