101221201021113 has 12 divisors (see below), whose sum is σ = 146309165381808. Its totient is φ = 67434294262200.

The previous prime is 101221201021093. The next prime is 101221201021163. The reversal of 101221201021113 is 311120102122101.

It is a happy number.

101221201021113 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 101221201021113 - 2⁵ = 101221201021081 is a prime.

It is a super-3 number, since 3×101221201021113³ (a number of 43 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101221201021163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3875521095 + ... + 3875547212.

It is an arithmetic number, because the mean of its divisors is an integer number (12192430448484).

Almost surely, 2^{101221201021113} is an apocalyptic number.

It is an amenable number.

101221201021113 is a deficient number, since it is larger than the sum of its proper divisors (45087964360695).

101221201021113 is a wasteful number, since it uses less digits than its factorization.

101221201021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7751069764 (or 7751069761 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 101221201021113 its reverse (311120102122101), we get a palindrome (412341303143214).

The spelling of 101221201021113 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred one million, twenty-one thousand, one hundred thirteen".