1220200011022 has 4 divisors (see below), whose sum is σ = 1830300016536. Its totient is φ = 610100005510.

The previous prime is 1220200011013. The next prime is 1220200011071. The reversal of 1220200011022 is 2201100020221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220200010993 and 1220200011011.

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, 305050002754 + ... + 305050002757.

It is an arithmetic number, because the mean of its divisors is an integer number (457575004134).

Almost surely, 2^{1220200011022} is an apocalyptic number.

1220200011022 is a deficient number, since it is larger than the sum of its proper divisors (610100005514).

1220200011022 is an equidigital number, since it uses as much as digits as its factorization.

1220200011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610100005513.

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

Adding to 1220200011022 its reverse (2201100020221), we get a palindrome (3421300031243).

The spelling of 1220200011022 in words is "one trillion, two hundred twenty billion, two hundred million, eleven thousand, twenty-two".