2451122011 has 4 divisors (see below), whose sum is σ = 2639669872. Its totient is φ = 2262574152.

The previous prime is 2451121987. The next prime is 2451122041. The reversal of 2451122011 is 1102211542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2451122011 - 2⁵ = 2451121979 is a prime.

It is a super-2 number, since 2×2451122011² = 12015998225617368242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2451122011.

It is not an unprimeable number, because it can be changed into a prime (2451122041) 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, 94273911 + ... + 94273936.

It is an arithmetic number, because the mean of its divisors is an integer number (659917468).

Almost surely, 2^2451122011 is an apocalyptic number.

2451122011 is a deficient number, since it is larger than the sum of its proper divisors (188547861).

2451122011 is a wasteful number, since it uses less digits than its factorization.

2451122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188547860.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 2451122011 is about 49508.8074083794. The cubic root of 2451122011 is about 1348.3055120518.

Adding to 2451122011 its reverse (1102211542), we get a palindrome (3553333553).

The spelling of 2451122011 in words is "two billion, four hundred fifty-one million, one hundred twenty-two thousand, eleven".