1002220211112 has 48 divisors (see below), whose sum is σ = 2553717210240. Its totient is φ = 327770109888.

The previous prime is 1002220211107. The next prime is 1002220211117. The reversal of 1002220211112 is 2111120222001.

It is an interprime number because it is at equal distance from previous prime (1002220211107) and next prime (1002220211117).

It is a super-2 number, since 2×1002220211112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002220211091 and 1002220211100.

It is not an unprimeable number, because it can be changed into a prime (1002220211117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7365688 + ... + 7500519.

It is an arithmetic number, because the mean of its divisors is an integer number (53202441880).

Almost surely, 2^{1002220211112} is an apocalyptic number.

1002220211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002220211112 is an abundant number, since it is smaller than the sum of its proper divisors (1551496999128).

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

1002220211112 is a wasteful number, since it uses less digits than its factorization.

1002220211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14866322 (or 14866265 counting only the distinct ones).

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

Adding to 1002220211112 its reverse (2111120222001), we get a palindrome (3113340433113).

The spelling of 1002220211112 in words is "one trillion, two billion, two hundred twenty million, two hundred eleven thousand, one hundred twelve".