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103120022202221 = 839122908250539
BaseRepresentation
bin10111011100100110000000…
…010010101110011101101101
3111112010011210122112101221202
4113130212000102232131231
5102004004301140432341
61003152403442335245
730502114165242263
oct2734460022563555
9445104718471852
10103120022202221
112a947a57221912
12b69542695a525
13457023a634acb
141b6706dd90433
15bdc5c5e0279b
hex5dc9804ae76d

103120022202221 has 4 divisors (see below), whose sum is σ = 103242930453600. Its totient is φ = 102997113950844.

The previous prime is 103120022202157. The next prime is 103120022202247. The reversal of 103120022202221 is 122202220021301.

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 103120022202221 - 26 = 103120022202157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103120022202193 and 103120022202202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103120022202271) 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, 61454124431 + ... + 61454126108.

It is an arithmetic number, because the mean of its divisors is an integer number (25810732613400).

Almost surely, 2103120022202221 is an apocalyptic number.

It is an amenable number.

103120022202221 is a deficient number, since it is larger than the sum of its proper divisors (122908251379).

103120022202221 is an equidigital number, since it uses as much as digits as its factorization.

103120022202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122908251378.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 103120022202221 its reverse (122202220021301), we get a palindrome (225322242223522).

The spelling of 103120022202221 in words is "one hundred three trillion, one hundred twenty billion, twenty-two million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 839 122908250539 103120022202221