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10212022222121 = 491104789198479
BaseRepresentation
bin1001010010011010101111…
…1101001111110100101001
31100011021000101110002200202
42110212223331033310221
52314303210142101441
633415201021041545
72102536300450466
oct224465375176451
940137011402622
1010212022222121
113287992354685
12118b1a96b62b5
13590cb30bcba5
1427439bb7466d
1512a988a7719b
hex949abf4fd29

10212022222121 has 8 divisors (see below), whose sum is σ = 10232969846400. Its totient is φ = 10191075205360.

The previous prime is 10212022222099. The next prime is 10212022222147. The reversal of 10212022222121 is 12122222021201.

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 10212022222121 - 230 = 10210948480297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212022222093 and 10212022222102.

It is not an unprimeable number, because it can be changed into a prime (10212022222621) 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, 51352160 + ... + 51550638.

It is an arithmetic number, because the mean of its divisors is an integer number (1279121230800).

Almost surely, 210212022222121 is an apocalyptic number.

It is an amenable number.

10212022222121 is a deficient number, since it is larger than the sum of its proper divisors (20947624279).

10212022222121 is a wasteful number, since it uses less digits than its factorization.

10212022222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303759.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10212022222121 its reverse (12122222021201), we get a palindrome (22334244243322).

The spelling of 10212022222121 in words is "ten trillion, two hundred twelve billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 491 104789 198479 51451399 97453189 20798415931 10212022222121