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101002101111 = 3279379374819
BaseRepresentation
bin101111000010000110…
…0011100000101110111
3100122201000021100112200
41132010030130011313
53123323014213421
6114222201315543
710203632460042
oct1360414340567
9318630240480
10101002101111
113992006453a
12176a9495bb3
1396a8304092
144c62197c59
1529621d3726
hex178431c177

101002101111 has 24 divisors (see below), whose sum is σ = 148128864000. Its totient is φ = 66306803472.

The previous prime is 101002101097. The next prime is 101002101131. The reversal of 101002101111 is 111101200101.

It is not a de Polignac number, because 101002101111 - 214 = 101002084727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101002101093 and 101002101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101002101131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82060 + ... + 456878.

It is an arithmetic number, because the mean of its divisors is an integer number (6172036000).

Almost surely, 2101002101111 is an apocalyptic number.

101002101111 is a deficient number, since it is larger than the sum of its proper divisors (47126762889).

101002101111 is a wasteful number, since it uses less digits than its factorization.

101002101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375283 (or 375280 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 101002101111 its reverse (111101200101), we get a palindrome (212103301212).

The spelling of 101002101111 in words is "one hundred one billion, two million, one hundred one thousand, one hundred eleven".

Divisors: 1 3 9 79 237 379 711 1137 3411 29941 89823 269469 374819 1124457 3373371 29610701 88832103 142056401 266496309 426169203 1278507609 11222455679 33667367037 101002101111