22131335046011 has 4 divisors (see below), whose sum is σ = 22131826319952. Its totient is φ = 22130843772072.

The previous prime is 22131335046001. The next prime is 22131335046097. The reversal of 22131335046011 is 11064053313122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22131335046011 is a prime.

It is a super-2 number, since 2×22131335046011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22131335046001) 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, 245569391 + ... + 245659496.

It is an arithmetic number, because the mean of its divisors is an integer number (5532956579988).

Almost surely, 2^{22131335046011} is an apocalyptic number.

22131335046011 is a deficient number, since it is larger than the sum of its proper divisors (491273941).

22131335046011 is an equidigital number, since it uses as much as digits as its factorization.

22131335046011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491273940.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 22131335046011 its reverse (11064053313122), we get a palindrome (33195388359133).

The spelling of 22131335046011 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred thirty-five million, forty-six thousand, eleven".