100120002120111 has 4 divisors (see below), whose sum is σ = 133493336160152. Its totient is φ = 66746668080072.

The previous prime is 100120002120079. The next prime is 100120002120209. The reversal of 100120002120111 is 111021200021001.

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

It is not a de Polignac number, because 100120002120111 - 2⁵ = 100120002120079 is a prime.

It is a super-2 number, since 2×100120002120111² (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 (100120002120211) 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, 16686667020016 + ... + 16686667020021.

It is an arithmetic number, because the mean of its divisors is an integer number (33373334040038).

Almost surely, 2^{100120002120111} is an apocalyptic number.

100120002120111 is a deficient number, since it is larger than the sum of its proper divisors (33373334040041).

100120002120111 is an equidigital number, since it uses as much as digits as its factorization.

100120002120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33373334040040.

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

Adding to 100120002120111 its reverse (111021200021001), we get a palindrome (211141202141112).

The spelling of 100120002120111 in words is "one hundred trillion, one hundred twenty billion, two million, one hundred twenty thousand, one hundred eleven".