1022011013 has 4 divisors (see below), whose sum is σ = 1027362048. Its totient is φ = 1016659980.

The previous prime is 1022010989. The next prime is 1022011027. The reversal of 1022011013 is 3101102201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022011013 - 2⁸ = 1022010757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1022010985 and 1022011003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022011093) 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, 2675231 + ... + 2675612.

It is an arithmetic number, because the mean of its divisors is an integer number (256840512).

Almost surely, 2^1022011013 is an apocalyptic number.

It is an amenable number.

1022011013 is a deficient number, since it is larger than the sum of its proper divisors (5351035).

1022011013 is an equidigital number, since it uses as much as digits as its factorization.

1022011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351034.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1022011013 is about 31968.9069722441. The cubic root of 1022011013 is about 1007.2838214661.

Adding to 1022011013 its reverse (3101102201), we get a palindrome (4123113214).

The spelling of 1022011013 in words is "one billion, twenty-two million, eleven thousand, thirteen".