201012023011 has 4 divisors (see below), whose sum is σ = 201089546632. Its totient is φ = 200934499392.

The previous prime is 201012022993. The next prime is 201012023027. The reversal of 201012023011 is 110320210102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201012023011 - 2¹⁵ = 201011990243 is a prime.

It is a super-2 number, since 2×201012023011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201012022982 and 201012023000.

It is not an unprimeable number, because it can be changed into a prime (201012023081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38757921 + ... + 38763106.

It is an arithmetic number, because the mean of its divisors is an integer number (50272386658).

Almost surely, 2^201012023011 is an apocalyptic number.

201012023011 is a deficient number, since it is larger than the sum of its proper divisors (77523621).

201012023011 is an equidigital number, since it uses as much as digits as its factorization.

201012023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77523620.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201012023011 its reverse (110320210102), we get a palindrome (311332233113).

The spelling of 201012023011 in words is "two hundred one billion, twelve million, twenty-three thousand, eleven".