100212222122201 has 24 divisors (see below), whose sum is σ = 117979649038944. Its totient is φ = 84860038495680.

The previous prime is 100212222122179. The next prime is 100212222122203. The reversal of 100212222122201 is 102221222212001.

It is not a de Polignac number, because 100212222122201 - 2⁶ = 100212222122137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100212222122203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362935286 + ... + 363211296.

It is an arithmetic number, because the mean of its divisors is an integer number (4915818709956).

Almost surely, 2^{100212222122201} is an apocalyptic number.

It is an amenable number.

100212222122201 is a deficient number, since it is larger than the sum of its proper divisors (17767426916743).

100212222122201 is an equidigital number, since it uses as much as digits as its factorization.

100212222122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365381 (or 365374 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100212222122201 its reverse (102221222212001), we get a palindrome (202433444334202).

The spelling of 100212222122201 in words is "one hundred trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred one".