201220021110111 has 8 divisors (see below), whose sum is σ = 269844190159920. Its totient is φ = 133371266400192.

The previous prime is 201220021110049. The next prime is 201220021110193. The reversal of 201220021110111 is 111011120022102.

It is a happy number.

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

It is not a de Polignac number, because 201220021110111 - 2²¹ = 201220019012959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220021110611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193853584366 + ... + 193853585403.

It is an arithmetic number, because the mean of its divisors is an integer number (33730523769990).

Almost surely, 2^{201220021110111} is an apocalyptic number.

201220021110111 is a deficient number, since it is larger than the sum of its proper divisors (68624169049809).

201220021110111 is a wasteful number, since it uses less digits than its factorization.

201220021110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387707169945.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201220021110111 its reverse (111011120022102), we get a palindrome (312231141132213).

The spelling of 201220021110111 in words is "two hundred one trillion, two hundred twenty billion, twenty-one million, one hundred ten thousand, one hundred eleven".