22111001012011 has 8 divisors (see below), whose sum is σ = 24077315077200. Its totient is φ = 20224944663840.

The previous prime is 22111001011919. The next prime is 22111001012029. The reversal of 22111001012011 is 11021010011122.

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 22111001012011 - 2¹¹ = 22111001009963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111001011982 and 22111001012000.

It is not an unprimeable number, because it can be changed into a prime (22111001012081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20064428680 + ... + 20064429781.

It is an arithmetic number, because the mean of its divisors is an integer number (3009664384650).

Almost surely, 2^{22111001012011} is an apocalyptic number.

22111001012011 is a deficient number, since it is larger than the sum of its proper divisors (1966314065189).

22111001012011 is a wasteful number, since it uses less digits than its factorization.

22111001012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40128858509.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22111001012011 its reverse (11021010011122), we get a palindrome (33132011023133).

The spelling of 22111001012011 in words is "twenty-two trillion, one hundred eleven billion, one million, twelve thousand, eleven".