100221211011 has 8 divisors (see below), whose sum is σ = 139438206720. Its totient is φ = 63909177992.

The previous prime is 100221211003. The next prime is 100221211043. The reversal of 100221211011 is 110112122001.

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 100221211011 - 2³ = 100221211003 is a prime.

It is a super-2 number, since 2×100221211011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100221218011) 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, 726240591 + ... + 726240728.

It is an arithmetic number, because the mean of its divisors is an integer number (17429775840).

Almost surely, 2^100221211011 is an apocalyptic number.

100221211011 is a deficient number, since it is larger than the sum of its proper divisors (39216995709).

100221211011 is a wasteful number, since it uses less digits than its factorization.

100221211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452481345.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100221211011 its reverse (110112122001), we get a palindrome (210333333012).

The spelling of 100221211011 in words is "one hundred billion, two hundred twenty-one million, two hundred eleven thousand, eleven".