1002022112112 has 40 divisors (see below), whose sum is σ = 2958350998656. Its totient is φ = 286292031936.

The previous prime is 1002022112083. The next prime is 1002022112141. The reversal of 1002022112112 is 2112112202001.

It is an interprime number because it is at equal distance from previous prime (1002022112083) and next prime (1002022112141).

It is a super-2 number, since 2×1002022112112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002022112091 and 1002022112100.

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, 1491103998 + ... + 1491104669.

Almost surely, 2^{1002022112112} is an apocalyptic number.

1002022112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002022112112 is an abundant number, since it is smaller than the sum of its proper divisors (1956328886544).

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

1002022112112 is a wasteful number, since it uses less digits than its factorization.

1002022112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982208685 (or 2982208679 counting only the distinct ones).

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

Adding to 1002022112112 its reverse (2112112202001), we get a palindrome (3114134314113).

The spelling of 1002022112112 in words is "one trillion, two billion, twenty-two million, one hundred twelve thousand, one hundred twelve".