22212001221011 has 32 divisors (see below), whose sum is σ = 25520377344000. Its totient is φ = 18937749248640.

The previous prime is 22212001220993. The next prime is 22212001221013. The reversal of 22212001221011 is 11012210021222.

It is a cyclic number.

It is not a de Polignac number, because 22212001221011 - 2²² = 22211997026707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212001221013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2419339841 + ... + 2419349021.

It is an arithmetic number, because the mean of its divisors is an integer number (797511792000).

Almost surely, 2^{22212001221011} is an apocalyptic number.

22212001221011 is a deficient number, since it is larger than the sum of its proper divisors (3308376122989).

22212001221011 is a wasteful number, since it uses less digits than its factorization.

22212001221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11859.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22212001221011 its reverse (11012210021222), we get a palindrome (33224211242233).

The spelling of 22212001221011 in words is "twenty-two trillion, two hundred twelve billion, one million, two hundred twenty-one thousand, eleven".