100100012111201 has 4 divisors (see below), whose sum is σ = 100100560994304. Its totient is φ = 100099463228100.

The previous prime is 100100012111131. The next prime is 100100012111221. The reversal of 100100012111201 is 102111210001001.

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 not a de Polignac number, because 100100012111201 - 2²² = 100100007916897 is a prime.

It is a super-3 number, since 3×100100012111201³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100100012111221) 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, 274167905 + ... + 274532766.

It is an arithmetic number, because the mean of its divisors is an integer number (25025140248576).

Almost surely, 2^{100100012111201} is an apocalyptic number.

It is an amenable number.

100100012111201 is a deficient number, since it is larger than the sum of its proper divisors (548883103).

100100012111201 is an equidigital number, since it uses as much as digits as its factorization.

100100012111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548883102.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100100012111201 its reverse (102111210001001), we get a palindrome (202211222112202).

The spelling of 100100012111201 in words is "one hundred trillion, one hundred billion, twelve million, one hundred eleven thousand, two hundred one".