100211121220101 has 8 divisors (see below), whose sum is σ = 133616055127200. Its totient is φ = 66806800729872.

The previous prime is 100211121220099. The next prime is 100211121220159. The reversal of 100211121220101 is 101022121112001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100211121220101 - 2¹ = 100211121220099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211121220601) 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, 152972895 + ... + 153626588.

It is an arithmetic number, because the mean of its divisors is an integer number (16702006890900).

Almost surely, 2^{100211121220101} is an apocalyptic number.

It is an amenable number.

100211121220101 is a deficient number, since it is larger than the sum of its proper divisors (33404933907099).

100211121220101 is a wasteful number, since it uses less digits than its factorization.

100211121220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306708435.

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

Adding to 100211121220101 its reverse (101022121112001), we get a palindrome (201233242332102).

The spelling of 100211121220101 in words is "one hundred trillion, two hundred eleven billion, one hundred twenty-one million, two hundred twenty thousand, one hundred one".