100110020011221 has 16 divisors (see below), whose sum is σ = 145614773560320. Its totient is φ = 60672656484720.

The previous prime is 100110020011189. The next prime is 100110020011229. The reversal of 100110020011221 is 122110020011001.

It is not a de Polignac number, because 100110020011221 - 2⁵ = 100110020011189 is a prime.

It is a super-2 number, since 2×100110020011221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100110020011197 and 100110020011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100110020011229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29716690 + ... + 32913548.

It is an arithmetic number, because the mean of its divisors is an integer number (9100923347520).

Almost surely, 2^{100110020011221} is an apocalyptic number.

100110020011221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100110020011221 is a deficient number, since it is larger than the sum of its proper divisors (45504753549099).

100110020011221 is a wasteful number, since it uses less digits than its factorization.

100110020011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145816.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100110020011221 its reverse (122110020011001), we get a palindrome (222220040022222).

The spelling of 100110020011221 in words is "one hundred trillion, one hundred ten billion, twenty million, eleven thousand, two hundred twenty-one".