221122102011 has 8 divisors (see below), whose sum is σ = 310346809920. Its totient is φ = 139656064392.

The previous prime is 221122101953. The next prime is 221122102031. The reversal of 221122102011 is 110201221122.

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

It is not a de Polignac number, because 221122102011 - 2¹⁴ = 221122085627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221122102031) 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, 1939667505 + ... + 1939667618.

It is an arithmetic number, because the mean of its divisors is an integer number (38793351240).

Almost surely, 2^221122102011 is an apocalyptic number.

221122102011 is a deficient number, since it is larger than the sum of its proper divisors (89224707909).

221122102011 is a wasteful number, since it uses less digits than its factorization.

221122102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879335145.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221122102011 its reverse (110201221122), we get a palindrome (331323323133).

The spelling of 221122102011 in words is "two hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, eleven".