22111200121011 has 8 divisors (see below), whose sum is σ = 29599056736704. Its totient is φ = 14682071793000.

The previous prime is 22111200121009. The next prime is 22111200121091. The reversal of 22111200121011 is 11012100211122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22111200121011 - 2¹ = 22111200121009 is a prime.

It is a super-2 number, since 2×22111200121011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22111200121091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14682071041 + ... + 14682072546.

It is an arithmetic number, because the mean of its divisors is an integer number (3699882092088).

Almost surely, 2^{22111200121011} is an apocalyptic number.

22111200121011 is a deficient number, since it is larger than the sum of its proper divisors (7487856615693).

22111200121011 is a wasteful number, since it uses less digits than its factorization.

22111200121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29364143841.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22111200121011 its reverse (11012100211122), we get a palindrome (33123300332133).

The spelling of 22111200121011 in words is "twenty-two trillion, one hundred eleven billion, two hundred million, one hundred twenty-one thousand, eleven".