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101033120021 = 10113111716521
BaseRepresentation
bin101111000011000001…
…0110001000100010101
3100122210011122021111012
41132012002301010111
53123403434320041
6114225230222005
710204460231141
oct1360602610425
9318704567435
10101033120021
11399366204a9
12176b7954905
1396b1874a72
144c66350221
152964cae3eb
hex17860b1115

101033120021 has 16 divisors (see below), whose sum is σ = 102915907776. Its totient is φ = 99169200000.

The previous prime is 101033120009. The next prime is 101033120033. The reversal of 101033120021 is 120021330101.

It is an interprime number because it is at equal distance from previous prime (101033120009) and next prime (101033120033).

It is a cyclic number.

It is not a de Polignac number, because 101033120021 - 210 = 101033118997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101033119978 and 101033120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101033110021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15490241 + ... + 15496761.

It is an arithmetic number, because the mean of its divisors is an integer number (6432244236).

Almost surely, 2101033120021 is an apocalyptic number.

It is an amenable number.

101033120021 is a deficient number, since it is larger than the sum of its proper divisors (1882787755).

101033120021 is a wasteful number, since it uses less digits than its factorization.

101033120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 101033120021 its reverse (120021330101), we get a palindrome (221054450122).

The spelling of 101033120021 in words is "one hundred one billion, thirty-three million, one hundred twenty thousand, twenty-one".

Divisors: 1 101 131 1171 6521 13231 118271 153401 658621 854251 7636091 15493501 86279351 771245191 1000327921 101033120021