2210222121122 has 4 divisors (see below), whose sum is σ = 3315333181686. Its totient is φ = 1105111060560.

The previous prime is 2210222121043. The next prime is 2210222121127. The reversal of 2210222121122 is 2211212220122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2151827881921 + 58394239201 = 1466911^2 + 241649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2210222121094 and 2210222121103.

It is not an unprimeable number, because it can be changed into a prime (2210222121127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552555530279 + ... + 552555530282.

Almost surely, 2^{2210222121122} is an apocalyptic number.

2210222121122 is a deficient number, since it is larger than the sum of its proper divisors (1105111060564).

2210222121122 is a wasteful number, since it uses less digits than its factorization.

2210222121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105111060563.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2210222121122 its reverse (2211212220122), we get a palindrome (4421434341244).

The spelling of 2210222121122 in words is "two trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".