201111012010 has 32 divisors (see below), whose sum is σ = 388544554512. Its totient is φ = 74675220480.

The previous prime is 201111011971. The next prime is 201111012013. The reversal of 201111012010 is 10210111102.

201111012010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 114891847849 + 86219164161 = 338957^2 + 293631^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (201111012013) 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, 8090371 + ... + 8115190.

Almost surely, 2^201111012010 is an apocalyptic number.

201111012010 is a deficient number, since it is larger than the sum of its proper divisors (187433542502).

201111012010 is a wasteful number, since it uses less digits than its factorization.

201111012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16205658.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201111012010 its reverse (10210111102), we get a palindrome (211321123112).

The spelling of 201111012010 in words is "two hundred one billion, one hundred eleven million, twelve thousand, ten".