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101022200221 = 523871928383
BaseRepresentation
bin101111000010101100…
…1000111000110011101
3100122202102002111100011
41132011121013012131
53123343140401341
6114224200203221
710204265351035
oct1360531070635
9318672074304
10101022200221
1139930442278
12176b4169511
1396ac520647
144c64b0a8c5
152963d53b81
hex178564719d

101022200221 has 4 divisors (see below), whose sum is σ = 101024180992. Its totient is φ = 101020219452.

The previous prime is 101022200219. The next prime is 101022200311. The reversal of 101022200221 is 122002220101.

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.

It is a cyclic number.

It is not a de Polignac number, because 101022200221 - 21 = 101022200219 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 (101022200921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911805 + ... + 1016578.

It is an arithmetic number, because the mean of its divisors is an integer number (25256045248).

Almost surely, 2101022200221 is an apocalyptic number.

It is an amenable number.

101022200221 is a deficient number, since it is larger than the sum of its proper divisors (1980771).

101022200221 is an equidigital number, since it uses as much as digits as its factorization.

101022200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980770.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101022200221 its reverse (122002220101), we get a palindrome (223024420322).

The spelling of 101022200221 in words is "one hundred one billion, twenty-two million, two hundred thousand, two hundred twenty-one".

Divisors: 1 52387 1928383 101022200221