2122100222222 has 4 divisors (see below), whose sum is σ = 3183150333336. Its totient is φ = 1061050111110.

The previous prime is 2122100222197. The next prime is 2122100222261. The reversal of 2122100222222 is 2222220012212.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2122100222194 and 2122100222203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530525055554 + ... + 530525055557.

It is an arithmetic number, because the mean of its divisors is an integer number (795787583334).

Almost surely, 2^{2122100222222} is an apocalyptic number.

2122100222222 is a deficient number, since it is larger than the sum of its proper divisors (1061050111114).

2122100222222 is a wasteful number, since it uses less digits than its factorization.

2122100222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061050111113.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2122100222222 its reverse (2222220012212), we get a palindrome (4344320234434).

The spelling of 2122100222222 in words is "two trillion, one hundred twenty-two billion, one hundred million, two hundred twenty-two thousand, two hundred twenty-two".