201010001011011 has 12 divisors (see below), whose sum is σ = 290547881103480. Its totient is φ = 133914312633600.

The previous prime is 201010001011009. The next prime is 201010001011069. The reversal of 201010001011011 is 110110100010102.

It is not a de Polignac number, because 201010001011011 - 2¹ = 201010001011009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201010001010984 and 201010001011002.

It is not an unprimeable number, because it can be changed into a prime (201010001011081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7696211806 + ... + 7696237923.

It is an arithmetic number, because the mean of its divisors is an integer number (24212323425290).

Almost surely, 2^{201010001011011} is an apocalyptic number.

201010001011011 is a deficient number, since it is larger than the sum of its proper divisors (89537880092469).

201010001011011 is a wasteful number, since it uses less digits than its factorization.

201010001011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15392451186 (or 15392451183 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 201010001011011 its reverse (110110100010102), we get a palindrome (311120101021113).

The spelling of 201010001011011 in words is "two hundred one trillion, ten billion, one million, eleven thousand, eleven".