1220001210022 has 24 divisors (see below), whose sum is σ = 2140670264760. Its totient is φ = 519936661440.

The previous prime is 1220001210017. The next prime is 1220001210059. The reversal of 1220001210022 is 2200121000221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220001209984 and 1220001210011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34756179 + ... + 34791262.

It is an arithmetic number, because the mean of its divisors is an integer number (89194594365).

Almost surely, 2^{1220001210022} is an apocalyptic number.

1220001210022 is a deficient number, since it is larger than the sum of its proper divisors (920669054738).

1220001210022 is a wasteful number, since it uses less digits than its factorization.

1220001210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69547636 (or 69547629 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220001210022 its reverse (2200121000221), we get a palindrome (3420122210243).

The spelling of 1220001210022 in words is "one trillion, two hundred twenty billion, one million, two hundred ten thousand, twenty-two".