Cookie Consent by
Search a number
1010022011 = 1597163241

1010022011 has 4 divisors (see below), whose sum is σ = 1010101224. Its totient is φ = 1009942800.

The previous prime is 1010021993. The next prime is 1010022019. The reversal of 1010022011 is 1102200101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1102200101 = 7541146161.

It is a cyclic number.

It is not a de Polignac number, because 1010022011 - 218 = 1009759867 is a prime.

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 1010022011.

It is not an unprimeable number, because it can be changed into a prime (1010022019) by changing a digit.

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, 15650 + ... + 47591.

It is an arithmetic number, because the mean of its divisors is an integer number (252525306).

Almost surely, 21010022011 is an apocalyptic number.

1010022011 is a deficient number, since it is larger than the sum of its proper divisors (79213).

1010022011 is an equidigital number, since it uses as much as digits as its factorization.

1010022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79212.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1010022011 is about 31780.8434595434. The cubic root of 1010022011 is about 1003.3295719798.

Adding to 1010022011 its reverse (1102200101), we get a palindrome (2112222112).

The spelling of 1010022011 in words is "one billion, ten million, twenty-two thousand, eleven".

Divisors: 1 15971 63241 1010022011