2112211421244 has 36 divisors (see below), whose sum is σ = 5339298927144. Its totient is φ = 704057572512.

The previous prime is 2112211421233. The next prime is 2112211421273. The reversal of 2112211421244 is 4421241122112.

2112211421244 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 211 + 421 + 24 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2112211421244² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1567294 + ... + 2584730.

Almost surely, 2^{2112211421244} is an apocalyptic number.

It is an amenable number.

2112211421244 is an abundant number, since it is smaller than the sum of its proper divisors (3227087505900).

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

2112211421244 is a wasteful number, since it uses less digits than its factorization.

2112211421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075114 (or 1075109 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

Adding to 2112211421244 its reverse (4421241122112), we get a palindrome (6533452543356).

The spelling of 2112211421244 in words is "two trillion, one hundred twelve billion, two hundred eleven million, four hundred twenty-one thousand, two hundred forty-four".