221000211022 has 4 divisors (see below), whose sum is σ = 331500316536. Its totient is φ = 110500105510.

The previous prime is 221000211011. The next prime is 221000211037. The reversal of 221000211022 is 220112000122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 221000210993 and 221000211011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55250052754 + ... + 55250052757.

It is an arithmetic number, because the mean of its divisors is an integer number (82875079134).

Almost surely, 2^221000211022 is an apocalyptic number.

221000211022 is a deficient number, since it is larger than the sum of its proper divisors (110500105514).

221000211022 is a wasteful number, since it uses less digits than its factorization.

221000211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110500105513.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221000211022 its reverse (220112000122), we get a palindrome (441112211144).

The spelling of 221000211022 in words is "two hundred twenty-one billion, two hundred eleven thousand, twenty-two".