210100100221111 has 8 divisors (see below), whose sum is σ = 213918347319248. Its totient is φ = 206293917096000.

The previous prime is 210100100220979. The next prime is 210100100221117. The reversal of 210100100221111 is 111122001001012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210100100221111 - 2¹⁵ = 210100100188343 is a prime.

It is a super-4 number, since 4×210100100221111⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210100100221091 and 210100100221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100100221117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3015958110 + ... + 3016027771.

It is an arithmetic number, because the mean of its divisors is an integer number (26739793414906).

Almost surely, 2^{210100100221111} is an apocalyptic number.

210100100221111 is a deficient number, since it is larger than the sum of its proper divisors (3818247098137).

210100100221111 is an equidigital number, since it uses as much as digits as its factorization.

210100100221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6031986513.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210100100221111 its reverse (111122001001012), we get a palindrome (321222101222123).

The spelling of 210100100221111 in words is "two hundred ten trillion, one hundred billion, one hundred million, two hundred twenty-one thousand, one hundred eleven".