1022221012112 has 20 divisors (see below), whose sum is σ = 1980656603376. Its totient is φ = 511083824160.

The previous prime is 1022221012063. The next prime is 1022221012117. The reversal of 1022221012112 is 2112101222201.

It is not an unprimeable number, because it can be changed into a prime (1022221012117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349714 + ... + 1966257.

Almost surely, 2^{1022221012112} is an apocalyptic number.

It is an amenable number.

1022221012112 is a deficient number, since it is larger than the sum of its proper divisors (958435591264).

1022221012112 is a wasteful number, since it uses less digits than its factorization.

1022221012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335246 (or 3335240 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022221012112 its reverse (2112101222201), we get a palindrome (3134322234313).

The spelling of 1022221012112 in words is "one trillion, twenty-two billion, two hundred twenty-one million, twelve thousand, one hundred twelve".