100111211220201 has 8 divisors (see below), whose sum is σ = 133481776988640. Its totient is φ = 66740726465952.

The previous prime is 100111211220179. The next prime is 100111211220217. The reversal of 100111211220201 is 102022112111001.

It is a happy number.

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

It is not a de Polignac number, because 100111211220201 - 2¹⁰ = 100111211219177 is a prime.

It is a super-2 number, since 2×100111211220201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100111211220301) 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, 17309035 + ... + 22356768.

It is an arithmetic number, because the mean of its divisors is an integer number (16685222123580).

Almost surely, 2^{100111211220201} is an apocalyptic number.

It is an amenable number.

100111211220201 is a deficient number, since it is larger than the sum of its proper divisors (33370565768439).

100111211220201 is an equidigital number, since it uses as much as digits as its factorization.

100111211220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40507095.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100111211220201 its reverse (102022112111001), we get a palindrome (202133323331202).

The spelling of 100111211220201 in words is "one hundred trillion, one hundred eleven billion, two hundred eleven million, two hundred twenty thousand, two hundred one".