111213223002020 has 12 divisors (see below), whose sum is σ = 233547768304284. Its totient is φ = 44485289200800.

The previous prime is 111213223001963. The next prime is 111213223002053. The reversal of 111213223002020 is 20200322312111.

It can be written as a sum of positive squares in 2 ways, for example, as 68914536984484 + 42298686017536 = 8301478^2 + 6503744^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5560661150101 = 111213223002020 / (1 + 1 + 1 + 2 + 1 + 3 + 2 + 2 + 3 + 0 + 0 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 111213223001983 and 111213223002001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780330575031 + ... + 2780330575070.

It is an arithmetic number, because the mean of its divisors is an integer number (19462314025357).

Almost surely, 2^{111213223002020} is an apocalyptic number.

111213223002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111213223002020 is an abundant number, since it is smaller than the sum of its proper divisors (122334545302264).

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

111213223002020 is a wasteful number, since it uses less digits than its factorization.

111213223002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560661150110 (or 5560661150108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111213223002020 its reverse (20200322312111), we get a palindrome (131413545314131).

The spelling of 111213223002020 in words is "one hundred eleven trillion, two hundred thirteen billion, two hundred twenty-three million, two thousand, twenty".