1022112001 has 16 divisors (see below), whose sum is σ = 1067367168. Its totient is φ = 977961600.

The previous prime is 1022111999. The next prime is 1022112023. The reversal of 1022112001 is 1002112201.

It is a cyclic number.

It is not a de Polignac number, because 1022112001 - 2¹ = 1022111999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022112031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743751 + ... + 745123.

It is an arithmetic number, because the mean of its divisors is an integer number (66710448).

Almost surely, 2^1022112001 is an apocalyptic number.

It is an amenable number.

1022112001 is a deficient number, since it is larger than the sum of its proper divisors (45255167).

1022112001 is a wasteful number, since it uses less digits than its factorization.

1022112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1022112001 is about 31970.4864054334. The cubic root of 1022112001 is about 1007.3169979606.

Adding to 1022112001 its reverse (1002112201), we get a palindrome (2024224202).

It can be divided in two parts, 10221 and 12001, that added together give a palindrome (22222).

The spelling of 1022112001 in words is "one billion, twenty-two million, one hundred twelve thousand, one".