2112121466 has 16 divisors (see below), whose sum is σ = 3899301504. Its totient is φ = 835564464.

The previous prime is 2112121457. The next prime is 2112121477. The reversal of 2112121466 is 6641212112.

It is a super-2 number, since 2×2112121466² = 8922114174275978312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5802350 + ... + 5802713.

It is an arithmetic number, because the mean of its divisors is an integer number (243706344).

Almost surely, 2^2112121466 is an apocalyptic number.

2112121466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2112121466 is a deficient number, since it is larger than the sum of its proper divisors (1787180038).

2112121466 is a wasteful number, since it uses less digits than its factorization.

2112121466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11605085.

The product of its digits is 1152, while the sum is 26.

The square root of 2112121466 is about 45957.8226855886. The cubic root of 2112121466 is about 1283.0383278882.

Adding to 2112121466 its reverse (6641212112), we get a palindrome (8753333578).

The spelling of 2112121466 in words is "two billion, one hundred twelve million, one hundred twenty-one thousand, four hundred sixty-six".