100212112222201 has 32 divisors (see below), whose sum is σ = 119557090211328. Its totient is φ = 82127474795520.

The previous prime is 100212112222177. The next prime is 100212112222207. The reversal of 100212112222201 is 102222211212001.

It is not a de Polignac number, because 100212112222201 - 2⁵ = 100212112222169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100212112222207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7840703431 + ... + 7840716211.

It is an arithmetic number, because the mean of its divisors is an integer number (3736159069104).

Almost surely, 2^{100212112222201} is an apocalyptic number.

It is an amenable number.

100212112222201 is a deficient number, since it is larger than the sum of its proper divisors (19344977989127).

100212112222201 is a wasteful number, since it uses less digits than its factorization.

100212112222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29161.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100212112222201 its reverse (102222211212001), we get a palindrome (202434323434202).

The spelling of 100212112222201 in words is "one hundred trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty-two thousand, two hundred one".