100001201222011 has 4 divisors (see below), whose sum is σ = 100553694046624. Its totient is φ = 99448708397400.

The previous prime is 100001201221969. The next prime is 100001201222077. The reversal of 100001201222011 is 110222102100001.

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

It is a cyclic number.

It is not a de Polignac number, because 100001201222011 - 2²³ = 100001192833403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100001201221982 and 100001201222000.

It is not an unprimeable number, because it can be changed into a prime (100001201222711) 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, 276246412035 + ... + 276246412396.

It is an arithmetic number, because the mean of its divisors is an integer number (25138423511656).

Almost surely, 2^{100001201222011} is an apocalyptic number.

100001201222011 is a deficient number, since it is larger than the sum of its proper divisors (552492824613).

100001201222011 is an equidigital number, since it uses as much as digits as its factorization.

100001201222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552492824612.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100001201222011 its reverse (110222102100001), we get a palindrome (210223303322012).

The spelling of 100001201222011 in words is "one hundred trillion, one billion, two hundred one million, two hundred twenty-two thousand, eleven".