22012023311 has 16 divisors (see below), whose sum is σ = 22311842208. Its totient is φ = 21714739200.

The previous prime is 22012023307. The next prime is 22012023337. The reversal of 22012023311 is 11332021022.

It is a cyclic number.

It is not a de Polignac number, because 22012023311 - 2² = 22012023307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22012023311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012023361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19090511 + ... + 19091663.

It is an arithmetic number, because the mean of its divisors is an integer number (1394490138).

Almost surely, 2^22012023311 is an apocalyptic number.

22012023311 is a deficient number, since it is larger than the sum of its proper divisors (299818897).

22012023311 is a wasteful number, since it uses less digits than its factorization.

22012023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22012023311 its reverse (11332021022), we get a palindrome (33344044333).

The spelling of 22012023311 in words is "twenty-two billion, twelve million, twenty-three thousand, three hundred eleven".