221000101022 has 4 divisors (see below), whose sum is σ = 331500151536. Its totient is φ = 110500050510.

The previous prime is 221000101001. The next prime is 221000101037. The reversal of 221000101022 is 220101000122.

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 = 221000100994 and 221000101012.

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, 55250025254 + ... + 55250025257.

It is an arithmetic number, because the mean of its divisors is an integer number (82875037884).

Almost surely, 2^221000101022 is an apocalyptic number.

221000101022 is a deficient number, since it is larger than the sum of its proper divisors (110500050514).

221000101022 is a wasteful number, since it uses less digits than its factorization.

221000101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110500050513.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 221000101022 its reverse (220101000122), we get a palindrome (441101101144).

The spelling of 221000101022 in words is "two hundred twenty-one billion, one hundred one thousand, twenty-two".