11700222121211 has 32 divisors (see below), whose sum is σ = 12770302805568. Its totient is φ = 10655476715520.

The previous prime is 11700222121201. The next prime is 11700222121213. The reversal of 11700222121211 is 11212122200711.

It is a de Polignac number, because none of the positive numbers 2^k-11700222121211 is a prime.

It is a super-2 number, since 2×11700222121211² (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 (11700222121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480746435 + ... + 480770771.

It is an arithmetic number, because the mean of its divisors is an integer number (399071962674).

Almost surely, 2^{11700222121211} is an apocalyptic number.

11700222121211 is a deficient number, since it is larger than the sum of its proper divisors (1070080684357).

11700222121211 is a wasteful number, since it uses less digits than its factorization.

11700222121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26111.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 11700222121211 its reverse (11212122200711), we get a palindrome (22912344321922).

The spelling of 11700222121211 in words is "eleven trillion, seven hundred billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".