2220121022 has 32 divisors (see below), whose sum is σ = 3842354880. Its totient is φ = 942416640.

The previous prime is 2220120997. The next prime is 2220121039. The reversal of 2220121022 is 2201210222.

2220121022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2220120988 and 2220121006.

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, 680018 + ... + 683274.

It is an arithmetic number, because the mean of its divisors is an integer number (120073590).

Almost surely, 2^2220121022 is an apocalyptic number.

2220121022 is a deficient number, since it is larger than the sum of its proper divisors (1622233858).

2220121022 is a wasteful number, since it uses less digits than its factorization.

2220121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2220121022 is about 47118.1602145075. The cubic root of 2220121022 is about 1304.5444546513.

Adding to 2220121022 its reverse (2201210222), we get a palindrome (4421331244).

It can be divided in two parts, 2 and 220121022, that multiplied together give a palindrome (440242044).

The spelling of 2220121022 in words is "two billion, two hundred twenty million, one hundred twenty-one thousand, twenty-two".