1122102020220 has 48 divisors (see below), whose sum is σ = 3143601904128. Its totient is φ = 299063753280.

The previous prime is 1122102020173. The next prime is 1122102020233. The reversal of 1122102020220 is 220202012211.

It is a super-2 number, since 2×1122102020220² (a number of 25 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1122102020220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4997104 + ... + 5216823.

It is an arithmetic number, because the mean of its divisors is an integer number (65491706336).

Almost surely, 2^{1122102020220} is an apocalyptic number.

1122102020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122102020220 is an abundant number, since it is smaller than the sum of its proper divisors (2021499883908).

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

1122102020220 is a wasteful number, since it uses less digits than its factorization.

1122102020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215770 (or 10215768 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1122102020220 its reverse (220202012211), we get a palindrome (1342304032431).

The spelling of 1122102020220 in words is "one trillion, one hundred twenty-two billion, one hundred two million, twenty thousand, two hundred twenty".