2112100100222 has 48 divisors (see below), whose sum is σ = 3909650114160. Its totient is φ = 850310237952.

The previous prime is 2112100100213. The next prime is 2112100100233. The reversal of 2112100100222 is 2220010012112.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2112100100197 and 2112100100206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340697 + ... + 2083332.

It is an arithmetic number, because the mean of its divisors is an integer number (81451044045).

Almost surely, 2^{2112100100222} is an apocalyptic number.

2112100100222 is a deficient number, since it is larger than the sum of its proper divisors (1797550013938).

2112100100222 is a wasteful number, since it uses less digits than its factorization.

2112100100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424585 (or 2424578 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112100100222 its reverse (2220010012112), we get a palindrome (4332110112334).

The spelling of 2112100100222 in words is "two trillion, one hundred twelve billion, one hundred million, one hundred thousand, two hundred twenty-two".