100001222212011 has 16 divisors (see below), whose sum is σ = 133370615938560. Its totient is φ = 66649656993120.

The previous prime is 100001222211959. The next prime is 100001222212033. The reversal of 100001222212011 is 110212222100001.

It is not a de Polignac number, because 100001222212011 - 2³⁷ = 99863783258539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100001222252011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205933245 + ... + 206418273.

It is an arithmetic number, because the mean of its divisors is an integer number (8335663496160).

Almost surely, 2^{100001222212011} is an apocalyptic number.

100001222212011 is a deficient number, since it is larger than the sum of its proper divisors (33369393726549).

100001222212011 is a wasteful number, since it uses less digits than its factorization.

100001222212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503266.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100001222212011 its reverse (110212222100001), we get a palindrome (210213444312012).

The spelling of 100001222212011 in words is "one hundred trillion, one billion, two hundred twenty-two million, two hundred twelve thousand, eleven".