2211222221122 has 8 divisors (see below), whose sum is σ = 3334018997196. Its totient is φ = 1099882555392.

The previous prime is 2211222220997. The next prime is 2211222221189.

2211222221122 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 2084734587321 + 126487633801 = 1443861^2 + 355651^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2211222221122² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2211222221093 and 2211222221102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2864277103 + ... + 2864277874.

Almost surely, 2^{2211222221122} is an apocalyptic number.

2211222221122 is a deficient number, since it is larger than the sum of its proper divisors (1122796776074).

2211222221122 is a wasteful number, since it uses less digits than its factorization.

2211222221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728555172.

The product of its digits is 512, while the sum is 22.

Multiplying 2211222221122 by its sum of digits (22), we get a palindrome (48646888864684).

The spelling of 2211222221122 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".