100311221101 has 8 divisors (see below), whose sum is σ = 123459964544. Its totient is φ = 79367119920.

The previous prime is 100311221089. The next prime is 100311221113. The reversal of 100311221101 is 101122113001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100311221089) and next prime (100311221113).

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 100311221101 - 2¹⁵ = 100311188333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311221201) 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, 551160465 + ... + 551160646.

It is an arithmetic number, because the mean of its divisors is an integer number (15432495568).

Almost surely, 2^100311221101 is an apocalyptic number.

It is an amenable number.

100311221101 is a deficient number, since it is larger than the sum of its proper divisors (23148743443).

100311221101 is a wasteful number, since it uses less digits than its factorization.

100311221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102321131.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 100311221101 its reverse (101122113001), we get a palindrome (201433334102).

The spelling of 100311221101 in words is "one hundred billion, three hundred eleven million, two hundred twenty-one thousand, one hundred one".