1122211002000 has 160 divisors (see below), whose sum is σ = 3946918345344. Its totient is φ = 272051136000.

The previous prime is 1122211001999. The next prime is 1122211002001. The reversal of 1122211002000 is 2001122211.

It is an interprime number because it is at equal distance from previous prime (1122211001999) and next prime (1122211002001).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1122211002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8435599 + ... + 8567598.

Almost surely, 2^{1122211002000} is an apocalyptic number.

1122211002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122211002000 is an abundant number, since it is smaller than the sum of its proper divisors (2824707343344).

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

1122211002000 is a wasteful number, since it uses less digits than its factorization.

1122211002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17003234 (or 17003218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1122211002000 its reverse (2001122211), we get a palindrome (1124212124211).

The spelling of 1122211002000 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, two thousand".