11201311022 has 16 divisors (see below), whose sum is σ = 18387250992. Its totient is φ = 5075440320.

The previous prime is 11201311019. The next prime is 11201311087. The reversal of 11201311022 is 22011310211.

It is a super-2 number, since 2×11201311022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11201310988 and 11201311006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796103 + ... + 810050.

It is an arithmetic number, because the mean of its divisors is an integer number (1149203187).

Almost surely, 2^11201311022 is an apocalyptic number.

11201311022 is a deficient number, since it is larger than the sum of its proper divisors (7185939970).

11201311022 is a wasteful number, since it uses less digits than its factorization.

11201311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606483.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11201311022 its reverse (22011310211), we get a palindrome (33212621233).

It can be divided in two parts, 11201 and 311022, that added together give a palindrome (322223).

The spelling of 11201311022 in words is "eleven billion, two hundred one million, three hundred eleven thousand, twenty-two".