201001021101011 has 8 divisors (see below), whose sum is σ = 202053859755264. Its totient is φ = 199948187418880.

The previous prime is 201001021100969. The next prime is 201001021101019. The reversal of 201001021101011 is 110101120100102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201001021101011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201001021100983 and 201001021101001.

It is not an unprimeable number, because it can be changed into a prime (201001021101019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102384035 + ... + 104328771.

It is an arithmetic number, because the mean of its divisors is an integer number (25256732469408).

Almost surely, 2^{201001021101011} is an apocalyptic number.

201001021101011 is a deficient number, since it is larger than the sum of its proper divisors (1052838654253).

201001021101011 is a wasteful number, since it uses less digits than its factorization.

201001021101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486061.

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

Adding to 201001021101011 its reverse (110101120100102), we get a palindrome (311102141201113).

It can be divided in two parts, 20100102 and 1101011, that multiplied together give a palindrome (22130433403122).

The spelling of 201001021101011 in words is "two hundred one trillion, one billion, twenty-one million, one hundred one thousand, eleven".