221010212022011 has 16 divisors (see below), whose sum is σ = 221757488418816. Its totient is φ = 220263646369536.

The previous prime is 221010212022007. The next prime is 221010212022031. The reversal of 221010212022011 is 110220212010122.

It is a cyclic number.

It is not a de Polignac number, because 221010212022011 - 2² = 221010212022007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221010212022031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9308424806 + ... + 9308448548.

It is an arithmetic number, because the mean of its divisors is an integer number (13859843026176).

Almost surely, 2^{221010212022011} is an apocalyptic number.

221010212022011 is a deficient number, since it is larger than the sum of its proper divisors (747276396805).

221010212022011 is a wasteful number, since it uses less digits than its factorization.

221010212022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37402.

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

Adding to 221010212022011 its reverse (110220212010122), we get a palindrome (331230424032133).

The spelling of 221010212022011 in words is "two hundred twenty-one trillion, ten billion, two hundred twelve million, twenty-two thousand, eleven".