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122330000111021 = 151014181005681
BaseRepresentation
bin11011110100001000101100…
…001100111011010110101101
3121001010122010001001110022122
4123310020230030323112231
5112013223320012023041
61112101343133322325
734524023304305243
oct3364105414732655
9531118101043278
10122330000111021
1135a83952a2077a
12118784596363a5
135334891bc3411
14222cb370d8793
15e2213d93dc4b
hex6f422c33b5ad

122330000111021 has 4 divisors (see below), whose sum is σ = 122330082626844. Its totient is φ = 122329917595200.

The previous prime is 122330000111003. The next prime is 122330000111083. The reversal of 122330000111021 is 120111000033221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48754538178025 + 73575461932996 = 6982445^2 + 8577614^2 .

It is a cyclic number.

It is not a de Polignac number, because 122330000111021 - 218 = 122329999848877 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 (122330000111321) 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, 38992700 + ... + 42012981.

It is an arithmetic number, because the mean of its divisors is an integer number (30582520656711).

Almost surely, 2122330000111021 is an apocalyptic number.

It is an amenable number.

122330000111021 is a deficient number, since it is larger than the sum of its proper divisors (82515823).

122330000111021 is an equidigital number, since it uses as much as digits as its factorization.

122330000111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82515822.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122330000111021 its reverse (120111000033221), we get a palindrome (242441000144242).

The spelling of 122330000111021 in words is "one hundred twenty-two trillion, three hundred thirty billion, one hundred eleven thousand, twenty-one".

Divisors: 1 1510141 81005681 122330000111021