1122201211020 has 48 divisors (see below), whose sum is σ = 3227086732128. Its totient is φ = 291165719040.

The previous prime is 1122201210961. The next prime is 1122201211037. The reversal of 1122201211020 is 201121022211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252745801 + ... + 252750240.

It is an arithmetic number, because the mean of its divisors is an integer number (67230973586).

Almost surely, 2^{1122201211020} is an apocalyptic number.

1122201211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122201211020 is an abundant number, since it is smaller than the sum of its proper divisors (2104885521108).

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

1122201211020 is a wasteful number, since it uses less digits than its factorization.

1122201211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505496090 (or 505496088 counting only the distinct ones).

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

Adding to 1122201211020 its reverse (201121022211), we get a palindrome (1323322233231).

The spelling of 1122201211020 in words is "one trillion, one hundred twenty-two billion, two hundred one million, two hundred eleven thousand, twenty".