1022221110122 has 4 divisors (see below), whose sum is σ = 1533331665186. Its totient is φ = 511110555060.

The previous prime is 1022221110073. The next prime is 1022221110193. The reversal of 1022221110122 is 2210111222201.

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., 925692212641 + 96528897481 = 962129^2 + 310691^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1022221110122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255555277529 + ... + 255555277532.

Almost surely, 2^{1022221110122} is an apocalyptic number.

1022221110122 is a deficient number, since it is larger than the sum of its proper divisors (511110555064).

1022221110122 is an equidigital number, since it uses as much as digits as its factorization.

1022221110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511110555063.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022221110122 its reverse (2210111222201), we get a palindrome (3232332332323).

The spelling of 1022221110122 in words is "one trillion, twenty-two billion, two hundred twenty-one million, one hundred ten thousand, one hundred twenty-two".