2220121102222 has 16 divisors (see below), whose sum is σ = 3338191464192. Its totient is φ = 1107393812280.

The previous prime is 2220121102217. The next prime is 2220121102231. The reversal of 2220121102222 is 2222011210222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220121102222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591147 + ... + 2188537.

It is an arithmetic number, because the mean of its divisors is an integer number (208636966512).

Almost surely, 2^{2220121102222} is an apocalyptic number.

2220121102222 is a deficient number, since it is larger than the sum of its proper divisors (1118070361970).

2220121102222 is a wasteful number, since it uses less digits than its factorization.

2220121102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599063.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2220121102222 its reverse (2222011210222), we get a palindrome (4442132312444).

The spelling of 2220121102222 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty-two".