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101020221101 = 379266544119
BaseRepresentation
bin101111000010101000…
…1100011111010101101
3100122202021100221111102
41132011101203322231
53123342134033401
6114224045532445
710204242466022
oct1360521437255
9318667327442
10101020221101
113992a310338
12176b3574125
1396abca9877
144c64753549
152963ab256b
hex1785463ead

101020221101 has 4 divisors (see below), whose sum is σ = 101286765600. Its totient is φ = 100753676604.

The previous prime is 101020221077. The next prime is 101020221131. The reversal of 101020221101 is 101122020101.

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 101020221101 - 214 = 101020204717 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 (101020221131) 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, 133271681 + ... + 133272438.

It is an arithmetic number, because the mean of its divisors is an integer number (25321691400).

Almost surely, 2101020221101 is an apocalyptic number.

It is an amenable number.

101020221101 is a deficient number, since it is larger than the sum of its proper divisors (266544499).

101020221101 is an equidigital number, since it uses as much as digits as its factorization.

101020221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266544498.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101020221101 its reverse (101122020101), we get a palindrome (202142241202).

The spelling of 101020221101 in words is "one hundred one billion, twenty million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 379 266544119 101020221101