201201011222 has 4 divisors (see below), whose sum is σ = 301801516836. Its totient is φ = 100600505610.

The previous prime is 201201011159. The next prime is 201201011239. The reversal of 201201011222 is 222110102102.

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 = 201201011197 and 201201011206.

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, 50300252804 + ... + 50300252807.

It is an arithmetic number, because the mean of its divisors is an integer number (75450379209).

Almost surely, 2^201201011222 is an apocalyptic number.

201201011222 is a deficient number, since it is larger than the sum of its proper divisors (100600505614).

201201011222 is a wasteful number, since it uses less digits than its factorization.

201201011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100600505613.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201201011222 its reverse (222110102102), we get a palindrome (423311113324).

The spelling of 201201011222 in words is "two hundred one billion, two hundred one million, eleven thousand, two hundred twenty-two".