221022201010022 has 32 divisors (see below), whose sum is σ = 351803711064960. Its totient is φ = 103782767431680.

The previous prime is 221022201010021. The next prime is 221022201010069. The reversal of 221022201010022 is 220010102220122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022201010021) 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, 1031853398 + ... + 1032067574.

It is an arithmetic number, because the mean of its divisors is an integer number (10993865970780).

Almost surely, 2^{221022201010022} is an apocalyptic number.

221022201010022 is a deficient number, since it is larger than the sum of its proper divisors (130781510054938).

221022201010022 is a wasteful number, since it uses less digits than its factorization.

221022201010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280496.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221022201010022 its reverse (220010102220122), we get a palindrome (441032303230144).

The spelling of 221022201010022 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred one million, ten thousand, twenty-two".