2223100121222 has 32 divisors (see below), whose sum is σ = 3717244224000. Its totient is φ = 990941793408.

The previous prime is 2223100121173. The next prime is 2223100121227. The reversal of 2223100121222 is 2221210013222.

It is a junction number, because it is equal to n+sod(n) for n = 2223100121194 and 2223100121203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223100121227) 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, 3726983 + ... + 4282125.

It is an arithmetic number, because the mean of its divisors is an integer number (116163882000).

Almost surely, 2^{2223100121222} is an apocalyptic number.

2223100121222 is a deficient number, since it is larger than the sum of its proper divisors (1494144102778).

2223100121222 is a wasteful number, since it uses less digits than its factorization.

2223100121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561380.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2223100121222 its reverse (2221210013222), we get a palindrome (4444310134444).

The spelling of 2223100121222 in words is "two trillion, two hundred twenty-three billion, one hundred million, one hundred twenty-one thousand, two hundred twenty-two".