2112211982 has 8 divisors (see below), whose sum is σ = 3176952096. Its totient is φ = 1053227952.

The previous prime is 2112211967. The next prime is 2112212029. The reversal of 2112211982 is 2891122112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112211982² = 8922878913808736648, which contains 22 as substring.

It is a congruent number.

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, 1438103 + ... + 1439570.

It is an arithmetic number, because the mean of its divisors is an integer number (397119012).

Almost surely, 2^2112211982 is an apocalyptic number.

2112211982 is a deficient number, since it is larger than the sum of its proper divisors (1064740114).

2112211982 is a wasteful number, since it uses less digits than its factorization.

2112211982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878042.

The product of its digits is 1152, while the sum is 29.

The square root of 2112211982 is about 45958.8074475394. The cubic root of 2112211982 is about 1283.0566560384.

The spelling of 2112211982 in words is "two billion, one hundred twelve million, two hundred eleven thousand, nine hundred eighty-two".