100211212111201 has 4 divisors (see below), whose sum is σ = 101706901844272. Its totient is φ = 98715522378132.

The previous prime is 100211212111079. The next prime is 100211212111261. The reversal of 100211212111201 is 102111212112001.

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 100211212111201 - 2¹⁷ = 100211211980129 is a prime.

It is a super-2 number, since 2×100211212111201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100211212111261) 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, 747844866435 + ... + 747844866568.

It is an arithmetic number, because the mean of its divisors is an integer number (25426725461068).

Almost surely, 2^{100211212111201} is an apocalyptic number.

It is an amenable number.

100211212111201 is a deficient number, since it is larger than the sum of its proper divisors (1495689733071).

100211212111201 is an equidigital number, since it uses as much as digits as its factorization.

100211212111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495689733070.

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

Adding to 100211212111201 its reverse (102111212112001), we get a palindrome (202322424223202).

The spelling of 100211212111201 in words is "one hundred trillion, two hundred eleven billion, two hundred twelve million, one hundred eleven thousand, two hundred one".