112222100012020 has 12 divisors (see below), whose sum is σ = 235666410025284. Its totient is φ = 44888840004800.

The previous prime is 112222100011993. The next prime is 112222100012023. The reversal of 112222100012020 is 20210001222211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58445749780324 + 53776350231696 = 7644982^2 + 7333236^2 .

It is a super-2 number, since 2×112222100012020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112222100011985 and 112222100012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222100012023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805552500281 + ... + 2805552500320.

It is an arithmetic number, because the mean of its divisors is an integer number (19638867502107).

Almost surely, 2^{112222100012020} is an apocalyptic number.

112222100012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222100012020 is an abundant number, since it is smaller than the sum of its proper divisors (123444310013264).

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

112222100012020 is a wasteful number, since it uses less digits than its factorization.

112222100012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611105000610 (or 5611105000608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112222100012020 its reverse (20210001222211), we get a palindrome (132432101234231).

The spelling of 112222100012020 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred million, twelve thousand, twenty".