100221213011 has 8 divisors (see below), whose sum is σ = 100395680784. Its totient is φ = 100046822400.

The previous prime is 100221212981. The next prime is 100221213031. The reversal of 100221213011 is 110312122001.

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-100221213011 is a prime.

It is a super-2 number, since 2×100221213011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100221213031) 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, 2978795 + ... + 3012251.

It is an arithmetic number, because the mean of its divisors is an integer number (12549460098).

Almost surely, 2^100221213011 is an apocalyptic number.

100221213011 is a deficient number, since it is larger than the sum of its proper divisors (174467773).

100221213011 is an equidigital number, since it uses as much as digits as its factorization.

100221213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38581.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100221213011 its reverse (110312122001), we get a palindrome (210533335012).

The spelling of 100221213011 in words is "one hundred billion, two hundred twenty-one million, two hundred thirteen thousand, eleven".