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20211000112122 = 2321166315914449
BaseRepresentation
bin1001001100001101111010…
…11110110111001111111010
32122120011010100101210012020
410212012331132313033322
510122114112012041442
6110552445534455310
74154124265256421
oct446067536671772
978504110353166
1020211000112122
116492489733296
12232503b064536
13b37b735695a1
144dc30923c2b8
15250b03dbc9ec
hex1261bd7b73fa

20211000112122 has 16 divisors (see below), whose sum is σ = 40422193737600. Its totient is φ = 6736967785152.

The previous prime is 20211000112099. The next prime is 20211000112207. The reversal of 20211000112122 is 22121100011202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6687247 + ... + 9227202.

It is an arithmetic number, because the mean of its divisors is an integer number (2526387108600).

Almost surely, 220211000112122 is an apocalyptic number.

20211000112122 is an abundant number, since it is smaller than the sum of its proper divisors (20211193625478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211000112122 is a wasteful number, since it uses less digits than its factorization.

20211000112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16126117.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20211000112122 its reverse (22121100011202), we get a palindrome (42332100123324).

The spelling of 20211000112122 in words is "twenty trillion, two hundred eleven billion, one hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 211663 423326 634989 1269978 15914449 31828898 47743347 95486694 3368500018687 6737000037374 10105500056061 20211000112122