201001002220222 has 4 divisors (see below), whose sum is σ = 301501503330336. Its totient is φ = 100500501110110.

The previous prime is 201001002220211. The next prime is 201001002220297. The reversal of 201001002220222 is 222022200100102.

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 = 201001002220196 and 201001002220205.

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, 50250250555054 + ... + 50250250555057.

It is an arithmetic number, because the mean of its divisors is an integer number (75375375832584).

Almost surely, 2^{201001002220222} is an apocalyptic number.

201001002220222 is a deficient number, since it is larger than the sum of its proper divisors (100500501110114).

201001002220222 is a wasteful number, since it uses less digits than its factorization.

201001002220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100500501110113.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201001002220222 its reverse (222022200100102), we get a palindrome (423023202320324).

The spelling of 201001002220222 in words is "two hundred one trillion, one billion, two million, two hundred twenty thousand, two hundred twenty-two".