101220441001 has 4 divisors (see below), whose sum is σ = 101426593104. Its totient is φ = 101014288900.

The previous prime is 101220440983. The next prime is 101220441037. The reversal of 101220441001 is 100144022101.

It is a happy number.

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: 100144022101 = 167 ⋅599664803.

It is a cyclic number.

It is not a de Polignac number, because 101220441001 - 2⁷ = 101220440873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101220441061) 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, 103075315 + ... + 103076296.

It is an arithmetic number, because the mean of its divisors is an integer number (25356648276).

Almost surely, 2^101220441001 is an apocalyptic number.

It is an amenable number.

101220441001 is a deficient number, since it is larger than the sum of its proper divisors (206152103).

101220441001 is an equidigital number, since it uses as much as digits as its factorization.

101220441001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206152102.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101220441001 its reverse (100144022101), we get a palindrome (201364463102).

The spelling of 101220441001 in words is "one hundred one billion, two hundred twenty million, four hundred forty-one thousand, one".