201101011222 has 4 divisors (see below), whose sum is σ = 301651516836. Its totient is φ = 100550505610.

The previous prime is 201101011219. The next prime is 201101011247. The reversal of 201101011222 is 222110101102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222110101102 = 2 ⋅111055050551.

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, 50275252804 + ... + 50275252807.

It is an arithmetic number, because the mean of its divisors is an integer number (75412879209).

Almost surely, 2^201101011222 is an apocalyptic number.

201101011222 is a deficient number, since it is larger than the sum of its proper divisors (100550505614).

201101011222 is a wasteful number, since it uses less digits than its factorization.

201101011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100550505613.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201101011222 its reverse (222110101102), we get a palindrome (423211112324).

The spelling of 201101011222 in words is "two hundred one billion, one hundred one million, eleven thousand, two hundred twenty-two".