1022002221112 has 32 divisors (see below), whose sum is σ = 1920975004800. Its totient is φ = 509743024000.

The previous prime is 1022002221101. The next prime is 1022002221113. The reversal of 1022002221112 is 2111222002201.

It is a happy number.

It is a super-2 number, since 2×1022002221112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022002221113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10454862 + ... + 10552162.

It is an arithmetic number, because the mean of its divisors is an integer number (60030468900).

Almost surely, 2^{1022002221112} is an apocalyptic number.

It is an amenable number.

1022002221112 is a deficient number, since it is larger than the sum of its proper divisors (898972783688).

1022002221112 is a wasteful number, since it uses less digits than its factorization.

1022002221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100527 (or 100523 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022002221112 its reverse (2111222002201), we get a palindrome (3133224223313).

The spelling of 1022002221112 in words is "one trillion, twenty-two billion, two million, two hundred twenty-one thousand, one hundred twelve".