22121230220011 has 8 divisors (see below), whose sum is σ = 24054153250400. Its totient is φ = 20221348609152.

The previous prime is 22121230219981. The next prime is 22121230220057. The reversal of 22121230220011 is 11002203212122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22121230220011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121230224011) 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, 8260353486 + ... + 8260356163.

It is an arithmetic number, because the mean of its divisors is an integer number (3006769156300).

Almost surely, 2^{22121230220011} is an apocalyptic number.

22121230220011 is a deficient number, since it is larger than the sum of its proper divisors (1932923030389).

22121230220011 is a wasteful number, since it uses less digits than its factorization.

22121230220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16520709765.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22121230220011 its reverse (11002203212122), we get a palindrome (33123433432133).

The spelling of 22121230220011 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred thirty million, two hundred twenty thousand, eleven".