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120021101101 = 1113978496469
BaseRepresentation
bin110111111000111010…
…0001010101000101101
3102110210110212122202201
41233301310022220231
53431300400213401
6131045324421501
711446143345436
oct1576164125055
9373713778681
10120021101101
114699a867750
121b3169a7891
13b419694a25
145b4807a48d
1531c6c72b01
hex1bf1d0aa2d

120021101101 has 8 divisors (see below), whose sum is σ = 131874069600. Its totient is φ = 108325125840.

The previous prime is 120021101099. The next prime is 120021101131. The reversal of 120021101101 is 101101120021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120021101101 - 21 = 120021101099 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 (120021101131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39246706 + ... + 39249763.

It is an arithmetic number, because the mean of its divisors is an integer number (16484258700).

Almost surely, 2120021101101 is an apocalyptic number.

120021101101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120021101101 is a deficient number, since it is larger than the sum of its proper divisors (11852968499).

120021101101 is a wasteful number, since it uses less digits than its factorization.

120021101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78496619.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120021101101 its reverse (101101120021), we get a palindrome (221122221122).

It can be divided in two parts, 120021 and 101101, that multiplied together give a palindrome (12134243121).

The spelling of 120021101101 in words is "one hundred twenty billion, twenty-one million, one hundred one thousand, one hundred one".

Divisors: 1 11 139 1529 78496469 863461159 10911009191 120021101101