2112212554 has 8 divisors (see below), whose sum is σ = 3199079520. Its totient is φ = 1045852716.

The previous prime is 2112212507. The next prime is 2112212693. The reversal of 2112212554 is 4552122112.

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

It is a super-2 number, since 2×2112212554² = 8922883746550405832, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5126524 + ... + 5126935.

It is an arithmetic number, because the mean of its divisors is an integer number (399884940).

Almost surely, 2^2112212554 is an apocalyptic number.

2112212554 is a deficient number, since it is larger than the sum of its proper divisors (1086866966).

2112212554 is a wasteful number, since it uses less digits than its factorization.

2112212554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10253564.

The product of its digits is 1600, while the sum is 25.

The square root of 2112212554 is about 45958.8136705029. The cubic root of 2112212554 is about 1283.0567718583.

Adding to 2112212554 its reverse (4552122112), we get a palindrome (6664334666).

The spelling of 2112212554 in words is "two billion, one hundred twelve million, two hundred twelve thousand, five hundred fifty-four".