201022031011001 has 8 divisors (see below), whose sum is σ = 201388889157000. Its totient is φ = 200655362413440.

The previous prime is 201022031010989. The next prime is 201022031011037. The reversal of 201022031011001 is 100110130220102.

It can be written as a sum of positive squares in 4 ways, for example, as 92585193294400 + 108436837716601 = 9622120^2 + 10413301^2 .

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-201022031011001 is a prime.

It is a super-3 number, since 3×201022031011001³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201022031031001) 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, 45264026 + ... + 49506323.

It is an arithmetic number, because the mean of its divisors is an integer number (25173611144625).

Almost surely, 2^{201022031011001} is an apocalyptic number.

It is an amenable number.

201022031011001 is a deficient number, since it is larger than the sum of its proper divisors (366858145999).

201022031011001 is an equidigital number, since it uses as much as digits as its factorization.

201022031011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94774219.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201022031011001 its reverse (100110130220102), we get a palindrome (301132161231103).

The spelling of 201022031011001 in words is "two hundred one trillion, twenty-two billion, thirty-one million, eleven thousand, one".