222021211011011 has 4 divisors (see below), whose sum is σ = 222021242829624. Its totient is φ = 222021179192400.

The previous prime is 222021211011001. The next prime is 222021211011097. The reversal of 222021211011011 is 110110112120222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 222021211011011 - 2¹⁸ = 222021210748867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222021211011001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408410 + ... + 21076271.

It is an arithmetic number, because the mean of its divisors is an integer number (55505310707406).

Almost surely, 2^{222021211011011} is an apocalyptic number.

222021211011011 is a deficient number, since it is larger than the sum of its proper divisors (31818613).

222021211011011 is a wasteful number, since it uses less digits than its factorization.

222021211011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31818612.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222021211011011 its reverse (110110112120222), we get a palindrome (332131323131233).

The spelling of 222021211011011 in words is "two hundred twenty-two trillion, twenty-one billion, two hundred eleven million, eleven thousand, eleven".