1111022002212 has 72 divisors (see below), whose sum is σ = 2725140025440. Its totient is φ = 352259550720.

The previous prime is 1111022002201. The next prime is 1111022002289. The reversal of 1111022002212 is 2122002201111.

It is a super-2 number, since 2×1111022002212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111022002191 and 1111022002200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 647412 + ... + 1625172.

It is an arithmetic number, because the mean of its divisors is an integer number (37849167020).

Almost surely, 2^{1111022002212} is an apocalyptic number.

1111022002212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111022002212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1362570012720).

1111022002212 is an abundant number, since it is smaller than the sum of its proper divisors (1614118023228).

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

1111022002212 is a wasteful number, since it uses less digits than its factorization.

1111022002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977993 (or 977968 counting only the distinct ones).

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

Adding to 1111022002212 its reverse (2122002201111), we get a palindrome (3233024203323).

The spelling of 1111022002212 in words is "one trillion, one hundred eleven billion, twenty-two million, two thousand, two hundred twelve".