201102001222 has 4 divisors (see below), whose sum is σ = 301653001836. Its totient is φ = 100551000610.

The previous prime is 201102001181. The next prime is 201102001231. The reversal of 201102001222 is 222100201102.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50275500304 + ... + 50275500307.

It is an arithmetic number, because the mean of its divisors is an integer number (75413250459).

Almost surely, 2^201102001222 is an apocalyptic number.

201102001222 is a deficient number, since it is larger than the sum of its proper divisors (100551000614).

201102001222 is a wasteful number, since it uses less digits than its factorization.

201102001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100551000613.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201102001222 its reverse (222100201102), we get a palindrome (423202202324).

The spelling of 201102001222 in words is "two hundred one billion, one hundred two million, one thousand, two hundred twenty-two".