22101121210011 has 16 divisors (see below), whose sum is σ = 29743994738304. Its totient is φ = 14596168223744.

The previous prime is 22101121209967. The next prime is 22101121210087. The reversal of 22101121210011 is 11001212110122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22101121210011 - 2¹⁵ = 22101121177243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101121210411) 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 15 ways as a sum of consecutive naturals, for example, 23564635 + ... + 24484571.

It is an arithmetic number, because the mean of its divisors is an integer number (1858999671144).

Almost surely, 2^{22101121210011} is an apocalyptic number.

22101121210011 is a deficient number, since it is larger than the sum of its proper divisors (7642873528293).

22101121210011 is a wasteful number, since it uses less digits than its factorization.

22101121210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994890.

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

Adding to 22101121210011 its reverse (11001212110122), we get a palindrome (33102333320133).

The spelling of 22101121210011 in words is "twenty-two trillion, one hundred one billion, one hundred twenty-one million, two hundred ten thousand, eleven".