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101020011101 = 136811738391
BaseRepresentation
bin101111000010101000…
…0110000101001011101
3100122202020222021102122
41132011100300221131
53123342110323401
6114224041232325
710204240632542
oct1360520605135
9318666867378
10101020011101
113992a187589
12176b34926a5
1396abc350c9
144c646dabc9
152963a7021b
hex1785430a5d

101020011101 has 4 divisors (see below), whose sum is σ = 101020886304. Its totient is φ = 101019135900.

The previous prime is 101020011097. The next prime is 101020011107. The reversal of 101020011101 is 101110020101.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 101110020101 = 197513248833.

It is a cyclic number.

It is not a de Polignac number, because 101020011101 - 22 = 101020011097 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 (101020011107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232385 + ... + 506006.

It is an arithmetic number, because the mean of its divisors is an integer number (25255221576).

Almost surely, 2101020011101 is an apocalyptic number.

It is an amenable number.

101020011101 is a deficient number, since it is larger than the sum of its proper divisors (875203).

101020011101 is an equidigital number, since it uses as much as digits as its factorization.

101020011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875202.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 101020011101 its reverse (101110020101), we get a palindrome (202130031202).

The spelling of 101020011101 in words is "one hundred one billion, twenty million, eleven thousand, one hundred one".

Divisors: 1 136811 738391 101020011101