1122010020020 has 24 divisors (see below), whose sum is σ = 2359630942368. Its totient is φ = 448154503200.

The previous prime is 1122010020007. The next prime is 1122010020023. The reversal of 1122010020020 is 200200102211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1122010019983 and 1122010020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122010020023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40579886 + ... + 40607525.

It is an arithmetic number, because the mean of its divisors is an integer number (98317955932).

Almost surely, 2^{1122010020020} is an apocalyptic number.

1122010020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122010020020 is an abundant number, since it is smaller than the sum of its proper divisors (1237620922348).

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

1122010020020 is a wasteful number, since it uses less digits than its factorization.

1122010020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81188111 (or 81188109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1122010020020 its reverse (200200102211), we get a palindrome (1322210122231).

The spelling of 1122010020020 in words is "one trillion, one hundred twenty-two billion, ten million, twenty thousand, twenty".