101220020101 has 4 divisors (see below), whose sum is σ = 106547389600. Its totient is φ = 95892650604.

The previous prime is 101220020089. The next prime is 101220020107. The reversal of 101220020101 is 101020022101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101020022101 = 347 ⋅291123983.

It is a cyclic number.

It is not a de Polignac number, because 101220020101 - 2⁷ = 101220019973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220020107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2663684721 + ... + 2663684758.

It is an arithmetic number, because the mean of its divisors is an integer number (26636847400).

Almost surely, 2^101220020101 is an apocalyptic number.

It is an amenable number.

101220020101 is a deficient number, since it is larger than the sum of its proper divisors (5327369499).

101220020101 is an equidigital number, since it uses as much as digits as its factorization.

101220020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327369498.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101220020101 its reverse (101020022101), we get a palindrome (202240042202).

It can be divided in two parts, 1012200 and 20101, that added together give a palindrome (1032301).

The spelling of 101220020101 in words is "one hundred one billion, two hundred twenty million, twenty thousand, one hundred one".