2220202201122 has 24 divisors (see below), whose sum is σ = 4811095461900. Its totient is φ = 739966268160.

The previous prime is 2220202201121. The next prime is 2220202201123. The reversal of 2220202201122 is 2211022020222.

It is an interprime number because it is at equal distance from previous prime (2220202201121) and next prime (2220202201123).

It can be written as a sum of positive squares in 2 ways, for example, as 1319808071241 + 900394129881 = 1148829^2 + 948891^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2220202201095 and 2220202201104.

It is not an unprimeable number, because it can be changed into a prime (2220202201121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8292247 + ... + 8555802.

Almost surely, 2^{2220202201122} is an apocalyptic number.

2220202201122 is an abundant number, since it is smaller than the sum of its proper divisors (2590893260778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220202201122 is a wasteful number, since it uses less digits than its factorization.

2220202201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16855378 (or 16855375 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2220202201122 its reverse (2211022020222), we get a palindrome (4431224221344).

The spelling of 2220202201122 in words is "two trillion, two hundred twenty billion, two hundred two million, two hundred one thousand, one hundred twenty-two".