2112101100222 has 32 divisors (see below), whose sum is σ = 4256653230720. Its totient is φ = 698625713760.

The previous prime is 2112101100217. The next prime is 2112101100223. The reversal of 2112101100222 is 2220011012112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112101100223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20331529 + ... + 20435147.

It is an arithmetic number, because the mean of its divisors is an integer number (133020413460).

Almost surely, 2^{2112101100222} is an apocalyptic number.

2112101100222 is an abundant number, since it is smaller than the sum of its proper divisors (2144552130498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112101100222 is a wasteful number, since it uses less digits than its factorization.

2112101100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129688.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112101100222 its reverse (2220011012112), we get a palindrome (4332112112334).

The spelling of 2112101100222 in words is "two trillion, one hundred twelve billion, one hundred one million, one hundred thousand, two hundred twenty-two".