11201822022031 has 4 divisors (see below), whose sum is σ = 11312731151064. Its totient is φ = 11090912893000.

The previous prime is 11201822022019. The next prime is 11201822022059. The reversal of 11201822022031 is 13022022810211.

It is a happy number.

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-11201822022031 is a prime.

It is a super-2 number, since 2×11201822022031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201822021987 and 11201822022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201822022731) 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, 55454564365 + ... + 55454564566.

It is an arithmetic number, because the mean of its divisors is an integer number (2828182787766).

Almost surely, 2^{11201822022031} is an apocalyptic number.

11201822022031 is a deficient number, since it is larger than the sum of its proper divisors (110909129033).

11201822022031 is a wasteful number, since it uses less digits than its factorization.

11201822022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110909129032.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 11201822022031 its reverse (13022022810211), we get a palindrome (24223844832242).

The spelling of 11201822022031 in words is "eleven trillion, two hundred one billion, eight hundred twenty-two million, twenty-two thousand, thirty-one".