101221121100201 has 8 divisors (see below), whose sum is σ = 134973029031744. Its totient is φ = 67474980284400.

The previous prime is 101221121100163. The next prime is 101221121100259. The reversal of 101221121100201 is 102001121122101.

It is a happy number.

101221121100201 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 101221121100201 - 2⁹ = 101221121099689 is a prime.

It is a super-2 number, since 2×101221121100201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221121108201) 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, 1441737981 + ... + 1441808186.

It is an arithmetic number, because the mean of its divisors is an integer number (16871628628968).

Almost surely, 2^{101221121100201} is an apocalyptic number.

It is an amenable number.

101221121100201 is a deficient number, since it is larger than the sum of its proper divisors (33751907931543).

101221121100201 is a wasteful number, since it uses less digits than its factorization.

101221121100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883557871.

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

Adding to 101221121100201 its reverse (102001121122101), we get a palindrome (203222242222302).

The spelling of 101221121100201 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred thousand, two hundred one".