1011022221112 has 32 divisors (see below), whose sum is σ = 2016010155600. Its totient is φ = 473968088064.

The previous prime is 1011022221073. The next prime is 1011022221163. The reversal of 1011022221112 is 2111222201101.

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, 34271143 + ... + 34300630.

Almost surely, 2^{1011022221112} is an apocalyptic number.

It is an amenable number.

1011022221112 is a deficient number, since it is larger than the sum of its proper divisors (1004987934488).

1011022221112 is a wasteful number, since it uses less digits than its factorization.

1011022221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68571895 (or 68571891 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1011022221112 its reverse (2111222201101), we get a palindrome (3122244422213).

The spelling of 1011022221112 in words is "one trillion, eleven billion, twenty-two million, two hundred twenty-one thousand, one hundred twelve".