100001220022111 has 8 divisors (see below), whose sum is σ = 105883978479120. Its totient is φ = 94118498648448.

The previous prime is 100001220022079. The next prime is 100001220022117. The reversal of 100001220022111 is 111220022100001.

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

It is a cyclic number.

It is not a de Polignac number, because 100001220022111 - 2⁵ = 100001220022079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100001220022091 and 100001220022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001220022117) 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, 3620481 + ... + 14598298.

It is an arithmetic number, because the mean of its divisors is an integer number (13235497309890).

Almost surely, 2^{100001220022111} is an apocalyptic number.

100001220022111 is a deficient number, since it is larger than the sum of its proper divisors (5882758457009).

100001220022111 is a wasteful number, since it uses less digits than its factorization.

100001220022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18541673.

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

Adding to 100001220022111 its reverse (111220022100001), we get a palindrome (211221242122112).

The spelling of 100001220022111 in words is "one hundred trillion, one billion, two hundred twenty million, twenty-two thousand, one hundred eleven".