201010010111 has 32 divisors (see below), whose sum is σ = 219178224000. Its totient is φ = 183765987328.

The previous prime is 201010010107. The next prime is 201010010119. The reversal of 201010010111 is 111010010102.

It is a happy number.

It is not a de Polignac number, because 201010010111 - 2² = 201010010107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010010119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97152185 + ... + 97154253.

It is an arithmetic number, because the mean of its divisors is an integer number (6849319500).

Almost surely, 2^201010010111 is an apocalyptic number.

201010010111 is a deficient number, since it is larger than the sum of its proper divisors (18168213889).

201010010111 is a wasteful number, since it uses less digits than its factorization.

201010010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 201010010111 its reverse (111010010102), we get a palindrome (312020020213).

Subtracting from 201010010111 its reverse (111010010102), we obtain a palindrome (90000000009).

The spelling of 201010010111 in words is "two hundred one billion, ten million, ten thousand, one hundred eleven".