1222201102022 has 4 divisors (see below), whose sum is σ = 1833301653036. Its totient is φ = 611100551010.

The previous prime is 1222201101997. The next prime is 1222201102039. The reversal of 1222201102022 is 2202011022221.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305550275504 + ... + 305550275507.

It is an arithmetic number, because the mean of its divisors is an integer number (458325413259).

Almost surely, 2^{1222201102022} is an apocalyptic number.

1222201102022 is a deficient number, since it is larger than the sum of its proper divisors (611100551014).

1222201102022 is an equidigital number, since it uses as much as digits as its factorization.

1222201102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611100551013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222201102022 its reverse (2202011022221), we get a palindrome (3424212124243).

The spelling of 1222201102022 in words is "one trillion, two hundred twenty-two billion, two hundred one million, one hundred two thousand, twenty-two".