201000011222111 has 8 divisors (see below), whose sum is σ = 203332420876464. Its totient is φ = 198674313539200.

The previous prime is 201000011222081. The next prime is 201000011222137. The reversal of 201000011222111 is 111222110000102.

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

It is a cyclic number.

It is not a de Polignac number, because 201000011222111 - 2¹⁸ = 201000010959967 is a prime.

It is a super-2 number, since 2×201000011222111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000011122111) 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, 1677932621 + ... + 1678052406.

It is an arithmetic number, because the mean of its divisors is an integer number (25416552609558).

Almost surely, 2^{201000011222111} is an apocalyptic number.

201000011222111 is a deficient number, since it is larger than the sum of its proper divisors (2332409654353).

201000011222111 is a wasteful number, since it uses less digits than its factorization.

201000011222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355985721.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201000011222111 its reverse (111222110000102), we get a palindrome (312222121222213).

The spelling of 201000011222111 in words is "two hundred one trillion, eleven million, two hundred twenty-two thousand, one hundred eleven".