201011011001012 has 24 divisors (see below), whose sum is σ = 356236127237760. Its totient is φ = 99229360950720.

The previous prime is 201011011000979. The next prime is 201011011001023. The reversal of 201011011001012 is 210100110110102.

It is a junction number, because it is equal to n+sod(n) for n = 201011011000984 and 201011011001002.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4559498 + ... + 20562369.

It is an arithmetic number, because the mean of its divisors is an integer number (14843171968240).

Almost surely, 2^{201011011001012} is an apocalyptic number.

It is an amenable number.

201011011001012 is a deficient number, since it is larger than the sum of its proper divisors (155225116236748).

201011011001012 is a wasteful number, since it uses less digits than its factorization.

201011011001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25147271 (or 25147269 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201011011001012 its reverse (210100110110102), we get a palindrome (411111121111114).

The spelling of 201011011001012 in words is "two hundred one trillion, eleven billion, eleven million, one thousand, twelve".