1220011112022 has 32 divisors (see below), whose sum is σ = 2519437353984. Its totient is φ = 393441856800.

The previous prime is 1220011112017. The next prime is 1220011112113. The reversal of 1220011112022 is 2202111100221.

It is a super-2 number, since 2×1220011112022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220011111992 and 1220011112010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249768 + ... + 1581899.

It is an arithmetic number, because the mean of its divisors is an integer number (78732417312).

Almost surely, 2^{1220011112022} is an apocalyptic number.

1220011112022 is an abundant number, since it is smaller than the sum of its proper divisors (1299426241962).

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

1220011112022 is a wasteful number, since it uses less digits than its factorization.

1220011112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835284.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1220011112022 its reverse (2202111100221), we get a palindrome (3422122212243).

The spelling of 1220011112022 in words is "one trillion, two hundred twenty billion, eleven million, one hundred twelve thousand, twenty-two".