221222022001101 has 16 divisors (see below), whose sum is σ = 357530540608320. Its totient is φ = 134073952727760.

The previous prime is 221222022001073. The next prime is 221222022001177. The reversal of 221222022001101 is 101100220222122.

It is a happy number.

221222022001101 is a `hidden beast` number, since 2 + 212 + 220 + 220 + 0 + 1 + 10 + 1 = 666.

It is not a de Polignac number, because 221222022001101 - 2¹¹ = 221222021999053 is a prime.

It is a super-2 number, since 2×221222022001101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222022002101) 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, 372427646170 + ... + 372427646763.

It is an arithmetic number, because the mean of its divisors is an integer number (22345658788020).

Almost surely, 2^{221222022001101} is an apocalyptic number.

It is an amenable number.

221222022001101 is a deficient number, since it is larger than the sum of its proper divisors (136308518607219).

221222022001101 is a wasteful number, since it uses less digits than its factorization.

221222022001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744855292953 (or 744855292947 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221222022001101 its reverse (101100220222122), we get a palindrome (322322242223223).

The spelling of 221222022001101 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, twenty-two million, one thousand, one hundred one".