201111111121022 has 8 divisors (see below), whose sum is σ = 301667337732072. Its totient is φ = 100555331877000.

The previous prime is 201111111120943. The next prime is 201111111121057. The reversal of 201111111121022 is 220121111111102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×201111111121022³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110715629 + ... + 112517432.

It is an arithmetic number, because the mean of its divisors is an integer number (37708417216509).

Almost surely, 2^{201111111121022} is an apocalyptic number.

201111111121022 is a deficient number, since it is larger than the sum of its proper divisors (100556226611050).

201111111121022 is a wasteful number, since it uses less digits than its factorization.

201111111121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223683514.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 201111111121022 its reverse (220121111111102), we get a palindrome (421232222232124).

The spelling of 201111111121022 in words is "two hundred one trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty-one thousand, twenty-two".