201100022111 has 8 divisors (see below), whose sum is σ = 202558392960. Its totient is φ = 199641817368.

The previous prime is 201100022099. The next prime is 201100022131. The reversal of 201100022111 is 111220001102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201100022111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201100022092 and 201100022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100022131) 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, 3441440 + ... + 3499386.

It is an arithmetic number, because the mean of its divisors is an integer number (25319799120).

Almost surely, 2^201100022111 is an apocalyptic number.

201100022111 is a deficient number, since it is larger than the sum of its proper divisors (1458370849).

201100022111 is a wasteful number, since it uses less digits than its factorization.

201100022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83053.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201100022111 its reverse (111220001102), we get a palindrome (312320023213).

The spelling of 201100022111 in words is "two hundred one billion, one hundred million, twenty-two thousand, one hundred eleven".