221002022211011 has 8 divisors (see below), whose sum is σ = 221015971298304. Its totient is φ = 220988073619720.

The previous prime is 221002022210953. The next prime is 221002022211037. The reversal of 221002022211011 is 110112220200122.

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

It is a cyclic number.

It is not a de Polignac number, because 221002022211011 - 2¹⁸ = 221002021948867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221002022211211) 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, 1256955296 + ... + 1257131106.

It is an arithmetic number, because the mean of its divisors is an integer number (27626996412288).

Almost surely, 2^{221002022211011} is an apocalyptic number.

221002022211011 is a deficient number, since it is larger than the sum of its proper divisors (13949087293).

221002022211011 is a wasteful number, since it uses less digits than its factorization.

221002022211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248001.

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

Adding to 221002022211011 its reverse (110112220200122), we get a palindrome (331114242411133).

The spelling of 221002022211011 in words is "two hundred twenty-one trillion, two billion, twenty-two million, two hundred eleven thousand, eleven".