1220011202022 has 16 divisors (see below), whose sum is σ = 2440217802672. Its totient is φ = 406637834240.

The previous prime is 1220011201993. The next prime is 1220011202147. The reversal of 1220011202022 is 2202021100221.

It is a junction number, because it is equal to n+sod(n) for n = 1220011201992 and 1220011202010.

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, 8060379 + ... + 8210342.

It is an arithmetic number, because the mean of its divisors is an integer number (152513612667).

Almost surely, 2^{1220011202022} is an apocalyptic number.

1220011202022 is an abundant number, since it is smaller than the sum of its proper divisors (1220206600650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220011202022 is a wasteful number, since it uses less digits than its factorization.

1220011202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16283223.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220011202022 its reverse (2202021100221), we get a palindrome (3422032302243).

The spelling of 1220011202022 in words is "one trillion, two hundred twenty billion, eleven million, two hundred two thousand, twenty-two".