1220002111022 has 16 divisors (see below), whose sum is σ = 1848341356992. Its totient is φ = 603889759200.

The previous prime is 1220002111021. The next prime is 1220002111087. The reversal of 1220002111022 is 2201112000221.

It is a junction number, because it is equal to n+sod(n) for n = 1220002110988 and 1220002111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220002111021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368308 + ... + 2076600.

It is an arithmetic number, because the mean of its divisors is an integer number (115521334812).

Almost surely, 2^{1220002111022} is an apocalyptic number.

1220002111022 is a deficient number, since it is larger than the sum of its proper divisors (628339245970).

1220002111022 is a wasteful number, since it uses less digits than its factorization.

1220002111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716923.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220002111022 its reverse (2201112000221), we get a palindrome (3421114111243).

The spelling of 1220002111022 in words is "one trillion, two hundred twenty billion, two million, one hundred eleven thousand, twenty-two".