11220001221022 has 16 divisors (see below), whose sum is σ = 18786978790272. Its totient is φ = 4981395890520.

The previous prime is 11220001221019. The next prime is 11220001221031. The reversal of 11220001221022 is 22012210002211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11220001220987 and 11220001221005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5930232258 + ... + 5930234149.

It is an arithmetic number, because the mean of its divisors is an integer number (1174186174392).

Almost surely, 2^{11220001221022} is an apocalyptic number.

11220001221022 is a deficient number, since it is larger than the sum of its proper divisors (7566977569250).

11220001221022 is a wasteful number, since it uses less digits than its factorization.

11220001221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860466463.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220001221022 its reverse (22012210002211), we get a palindrome (33232211223233).

The spelling of 11220001221022 in words is "eleven trillion, two hundred twenty billion, one million, two hundred twenty-one thousand, twenty-two".