1022002111200 has 1152 divisors, whose sum is σ = 4218210017280. Its totient is φ = 209544192000.

The previous prime is 1022002111121. The next prime is 1022002111327. The reversal of 1022002111200 is 21112002201.

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

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 785550550 + ... + 785551850.

It is an arithmetic number, because the mean of its divisors is an integer number (3661640640).

Almost surely, 2^{1022002111200} is an apocalyptic number.

1022002111200 is a gapful number since it is divisible by the number (10) 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 1022002111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2109105008640).

1022002111200 is an abundant number, since it is smaller than the sum of its proper divisors (3196207906080).

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

1022002111200 is a wasteful number, since it uses less digits than its factorization.

1022002111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1467 counting only the distinct ones).

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

Adding to 1022002111200 its reverse (21112002201), we get a palindrome (1043114113401).

The spelling of 1022002111200 in words is "one trillion, twenty-two billion, two million, one hundred eleven thousand, two hundred".