10201110220001 has 4 divisors (see below), whose sum is σ = 10201122376452. Its totient is φ = 10201098063552.

The previous prime is 10201110219983. The next prime is 10201110220009. The reversal of 10201110220001 is 10002201110201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6093196033600 + 4107914186401 = 2468440^2 + 2026799^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201110220001 - 2²² = 10201106025697 is a prime.

It is a super-3 number, since 3×10201110220001³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201110220009) 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, 4718036 + ... + 6531621.

It is an arithmetic number, because the mean of its divisors is an integer number (2550280594113).

Almost surely, 2^{10201110220001} is an apocalyptic number.

It is an amenable number.

10201110220001 is a deficient number, since it is larger than the sum of its proper divisors (12156451).

10201110220001 is an equidigital number, since it uses as much as digits as its factorization.

10201110220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12156450.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10201110220001 its reverse (10002201110201), we get a palindrome (20203311330202).

The spelling of 10201110220001 in words is "ten trillion, two hundred one billion, one hundred ten million, two hundred twenty thousand, one".