1220101330101 has 16 divisors (see below), whose sum is σ = 1731663633600. Its totient is φ = 761931992448.

The previous prime is 1220101330093. The next prime is 1220101330141. The reversal of 1220101330101 is 1010331010221.

It is a happy number.

It is not a de Polignac number, because 1220101330101 - 2³ = 1220101330093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220101330141) 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, 120249346 + ... + 120259491.

It is an arithmetic number, because the mean of its divisors is an integer number (108228977100).

Almost surely, 2^{1220101330101} is an apocalyptic number.

It is an amenable number.

1220101330101 is a deficient number, since it is larger than the sum of its proper divisors (511562303499).

1220101330101 is a wasteful number, since it uses less digits than its factorization.

1220101330101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240508948.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1220101330101 its reverse (1010331010221), we get a palindrome (2230432340322).

The spelling of 1220101330101 in words is "one trillion, two hundred twenty billion, one hundred one million, three hundred thirty thousand, one hundred one".