2011422001 has 4 divisors (see below), whose sum is σ = 2012571172. Its totient is φ = 2010272832.

The previous prime is 2011421959. The next prime is 2011422029. The reversal of 2011422001 is 1002241102.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 572357776 + 1439064225 = 23924^2 + 37935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011422001 - 2¹³ = 2011413809 is a prime.

It is a super-2 number, since 2×2011422001² = 8091636932213688002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011425001) 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, 571956 + ... + 575461.

It is an arithmetic number, because the mean of its divisors is an integer number (503142793).

Almost surely, 2^2011422001 is an apocalyptic number.

It is an amenable number.

2011422001 is a deficient number, since it is larger than the sum of its proper divisors (1149171).

2011422001 is a wasteful number, since it uses less digits than its factorization.

2011422001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149170.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2011422001 is about 44848.8795958160. The cubic root of 2011422001 is about 1262.3149683542.

Adding to 2011422001 its reverse (1002241102), we get a palindrome (3013663103).

The spelling of 2011422001 in words is "two billion, eleven million, four hundred twenty-two thousand, one".