2221211011222 has 32 divisors (see below), whose sum is σ = 3891788352000. Its totient is φ = 931110225408.

The previous prime is 2221211011183. The next prime is 2221211011249. The reversal of 2221211011222 is 2221101121222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221211011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6592203 + ... + 6920950.

It is an arithmetic number, because the mean of its divisors is an integer number (121618386000).

Almost surely, 2^{2221211011222} is an apocalyptic number.

2221211011222 is a deficient number, since it is larger than the sum of its proper divisors (1670577340778).

2221211011222 is a wasteful number, since it uses less digits than its factorization.

2221211011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13513420.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2221211011222 its reverse (2221101121222), we get a palindrome (4442312132444).

The spelling of 2221211011222 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, eleven thousand, two hundred twenty-two".