221010120022011 has 16 divisors (see below), whose sum is σ = 294741218407680. Its totient is φ = 147309552542880.

The previous prime is 221010120022009. The next prime is 221010120022039. The reversal of 221010120022011 is 110220021010122.

It is not a de Polignac number, because 221010120022011 - 2¹ = 221010120022009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221010120022411) 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, 565390716 + ... + 565781478.

It is an arithmetic number, because the mean of its divisors is an integer number (18421326150480).

Almost surely, 2^{221010120022011} is an apocalyptic number.

221010120022011 is a deficient number, since it is larger than the sum of its proper divisors (73731098385669).

221010120022011 is a wasteful number, since it uses less digits than its factorization.

221010120022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429346.

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

Adding to 221010120022011 its reverse (110220021010122), we get a palindrome (331230141032133).

The spelling of 221010120022011 in words is "two hundred twenty-one trillion, ten billion, one hundred twenty million, twenty-two thousand, eleven".