100221120211101 has 16 divisors (see below), whose sum is σ = 134419465114560. Its totient is φ = 66418676496000.

The previous prime is 100221120211073. The next prime is 100221120211109. The reversal of 100221120211101 is 101112021122001.

It is a happy number.

It is not a de Polignac number, because 100221120211101 - 2¹³ = 100221120202909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221120211109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29483350 + ... + 32706423.

It is an arithmetic number, because the mean of its divisors is an integer number (8401216569660).

Almost surely, 2^{100221120211101} is an apocalyptic number.

It is an amenable number.

100221120211101 is a deficient number, since it is larger than the sum of its proper divisors (34198344903459).

100221120211101 is a wasteful number, since it uses less digits than its factorization.

100221120211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62192956.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100221120211101 its reverse (101112021122001), we get a palindrome (201333141333102).

The spelling of 100221120211101 in words is "one hundred trillion, two hundred twenty-one billion, one hundred twenty million, two hundred eleven thousand, one hundred one".