221010201121011 has 8 divisors (see below), whose sum is σ = 294698470725840. Its totient is φ = 147331032798432.

The previous prime is 221010201121009. The next prime is 221010201121019. The reversal of 221010201121011 is 110121102010122.

It is a happy number.

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

It is not a de Polignac number, because 221010201121011 - 2¹ = 221010201121009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221010201121019) 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, 2275263900 + ... + 2275361033.

It is an arithmetic number, because the mean of its divisors is an integer number (36837308840730).

Almost surely, 2^{221010201121011} is an apocalyptic number.

221010201121011 is a deficient number, since it is larger than the sum of its proper divisors (73688269604829).

221010201121011 is a wasteful number, since it uses less digits than its factorization.

221010201121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550641125.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221010201121011 its reverse (110121102010122), we get a palindrome (331131303131133).

The spelling of 221010201121011 in words is "two hundred twenty-one trillion, ten billion, two hundred one million, one hundred twenty-one thousand, eleven".