221000101220022 has 64 divisors (see below), whose sum is σ = 489464680608000. Its totient is φ = 66240886658688.

The previous prime is 221000101219999. The next prime is 221000101220027. The reversal of 221000101220022 is 220022101000122.

It is a junction number, because it is equal to n+sod(n) for n = 221000101219983 and 221000101220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221000101220027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566314993 + ... + 566705100.

It is an arithmetic number, because the mean of its divisors is an integer number (7647885634500).

Almost surely, 2^{221000101220022} is an apocalyptic number.

221000101220022 is an abundant number, since it is smaller than the sum of its proper divisors (268464579387978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221000101220022 is a wasteful number, since it uses less digits than its factorization.

221000101220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133020205.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221000101220022 its reverse (220022101000122), we get a palindrome (441022202220144).

The spelling of 221000101220022 in words is "two hundred twenty-one trillion, one hundred one million, two hundred twenty thousand, twenty-two".