22002012011 has 8 divisors (see below), whose sum is σ = 25153062144. Its totient is φ = 18852938280.

The previous prime is 22002011957. The next prime is 22002012029. The reversal of 22002012011 is 11021020022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22002012011 - 2²² = 21997817707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22002011983 and 22002012001.

It is not an unprimeable number, because it can be changed into a prime (22002012041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470165 + ... + 514838.

It is an arithmetic number, because the mean of its divisors is an integer number (3144132768).

Almost surely, 2^22002012011 is an apocalyptic number.

22002012011 is a deficient number, since it is larger than the sum of its proper divisors (3151050133).

22002012011 is an equidigital number, since it uses as much as digits as its factorization.

22002012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988201.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22002012011 its reverse (11021020022), we get a palindrome (33023032033).

The spelling of 22002012011 in words is "twenty-two billion, two million, twelve thousand, eleven".