221012012011022 has 16 divisors (see below), whose sum is σ = 335517216167952. Its totient is φ = 109172979678720.

The previous prime is 221012012011009. The next prime is 221012012011093. The reversal of 221012012011022 is 220110210210122.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1268078 + ... + 21062574.

It is an arithmetic number, because the mean of its divisors is an integer number (20969826010497).

Almost surely, 2^{221012012011022} is an apocalyptic number.

221012012011022 is a deficient number, since it is larger than the sum of its proper divisors (114505204156930).

221012012011022 is a wasteful number, since it uses less digits than its factorization.

221012012011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19861843.

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

Adding to 221012012011022 its reverse (220110210210122), we get a palindrome (441122222221144).

The spelling of 221012012011022 in words is "two hundred twenty-one trillion, twelve billion, twelve million, eleven thousand, twenty-two".