221211202022 has 8 divisors (see below), whose sum is σ = 331856382000. Its totient is φ = 110592408024.

The previous prime is 221211202001. The next prime is 221211202031. The reversal of 221211202022 is 220202112122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6575522 + ... + 6609077.

It is an arithmetic number, because the mean of its divisors is an integer number (41482047750).

Almost surely, 2^221211202022 is an apocalyptic number.

221211202022 is a deficient number, since it is larger than the sum of its proper divisors (110645179978).

221211202022 is a wasteful number, since it uses less digits than its factorization.

221211202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13192990.

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

Adding to 221211202022 its reverse (220202112122), we get a palindrome (441413314144).

The spelling of 221211202022 in words is "two hundred twenty-one billion, two hundred eleven million, two hundred two thousand, twenty-two".