201102210111111 has 16 divisors (see below), whose sum is σ = 279804063191040. Its totient is φ = 128234652048800.

The previous prime is 201102210111073. The next prime is 201102210111137. The reversal of 201102210111111 is 111111012201102.

201102210111111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201102210111111 - 2¹³ = 201102210102919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102210111211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48428391 + ... + 52416728.

It is an arithmetic number, because the mean of its divisors is an integer number (17487753949440).

Almost surely, 2^{201102210111111} is an apocalyptic number.

201102210111111 is a deficient number, since it is larger than the sum of its proper divisors (78701853079929).

201102210111111 is a wasteful number, since it uses less digits than its factorization.

201102210111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100874046.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 201102210111111 its reverse (111111012201102), we get a palindrome (312213222312213).

The spelling of 201102210111111 in words is "two hundred one trillion, one hundred two billion, two hundred ten million, one hundred eleven thousand, one hundred eleven".