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122001311202101 = 530947229780583
BaseRepresentation
bin11011101111010110100100…
…110100001111101100110101
3120222222012201010212212001022
4123233112210310033230311
5111442332141131431401
61111250343441310525
734461206136546662
oct3357264464175465
9528865633785038
10122001311202101
11359675136735a1
1211824808335445
13530c89c51ba76
14221ac75b18a69
15e188027d771b
hex6ef5a4d0fb35

122001311202101 has 4 divisors (see below), whose sum is σ = 122001541513632. Its totient is φ = 122001080890572.

The previous prime is 122001311202053. The next prime is 122001311202131. The reversal of 122001311202101 is 101202113100221.

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.

It is a cyclic number.

It is not a de Polignac number, because 122001311202101 - 26 = 122001311202037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122001311202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001311202131) 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, 114359345 + ... + 115421238.

It is an arithmetic number, because the mean of its divisors is an integer number (30500385378408).

Almost surely, 2122001311202101 is an apocalyptic number.

It is an amenable number.

122001311202101 is a deficient number, since it is larger than the sum of its proper divisors (230311531).

122001311202101 is an equidigital number, since it uses as much as digits as its factorization.

122001311202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230311530.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 122001311202101 its reverse (101202113100221), we get a palindrome (223203424302322).

The spelling of 122001311202101 in words is "one hundred twenty-two trillion, one billion, three hundred eleven million, two hundred two thousand, one hundred one".

Divisors: 1 530947 229780583 122001311202101