202221100120222 has 4 divisors (see below), whose sum is σ = 303331650180336. Its totient is φ = 101110550060110.

The previous prime is 202221100120189. The next prime is 202221100120261. The reversal of 202221100120222 is 222021001122202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 202221100120222.

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, 50555275030054 + ... + 50555275030057.

It is an arithmetic number, because the mean of its divisors is an integer number (75832912545084).

Almost surely, 2^{202221100120222} is an apocalyptic number.

202221100120222 is a deficient number, since it is larger than the sum of its proper divisors (101110550060114).

202221100120222 is a wasteful number, since it uses less digits than its factorization.

202221100120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101110550060113.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202221100120222 its reverse (222021001122202), we get a palindrome (424242101242424).

The spelling of 202221100120222 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred million, one hundred twenty thousand, two hundred twenty-two".