100012221101 has 8 divisors (see below), whose sum is σ = 110210247840. Its totient is φ = 90172019952.

The previous prime is 100012221047. The next prime is 100012221103. The reversal of 100012221101 is 101122210001.

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-100012221101 is a prime.

It is a super-3 number, since 3×100012221101³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012221103) 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, 89455811 + ... + 89456928.

It is an arithmetic number, because the mean of its divisors is an integer number (13776280980).

Almost surely, 2^100012221101 is an apocalyptic number.

It is an amenable number.

100012221101 is a deficient number, since it is larger than the sum of its proper divisors (10198026739).

100012221101 is a wasteful number, since it uses less digits than its factorization.

100012221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178912795.

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

Adding to 100012221101 its reverse (101122210001), we get a palindrome (201134431102).

The spelling of 100012221101 in words is "one hundred billion, twelve million, two hundred twenty-one thousand, one hundred one".