201020220011101 has 16 divisors (see below), whose sum is σ = 207295164370944. Its totient is φ = 194828609639664.

The previous prime is 201020220011033. The next prime is 201020220011147. The reversal of 201020220011101 is 101110022020102.

It is a cyclic number.

It is not a de Polignac number, because 201020220011101 - 2²⁹ = 201019683140189 is a prime.

It is a super-2 number, since 2×201020220011101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020220011801) 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, 221958150 + ... + 222861976.

It is an arithmetic number, because the mean of its divisors is an integer number (12955947773184).

Almost surely, 2^{201020220011101} is an apocalyptic number.

It is an amenable number.

201020220011101 is a deficient number, since it is larger than the sum of its proper divisors (6274944359843).

201020220011101 is a wasteful number, since it uses less digits than its factorization.

201020220011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949920.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201020220011101 its reverse (101110022020102), we get a palindrome (302130242031203).

The spelling of 201020220011101 in words is "two hundred one trillion, twenty billion, two hundred twenty million, eleven thousand, one hundred one".