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2121111010119 = 312731981174079
BaseRepresentation
bin11110110111011100000…
…100010111101101000111
321111202221212120121211110
4132313130010113231013
5234223013404310434
64302231442140103
7306150052051023
oct36673404275507
97452855517743
102121111010119
11748615960292
122a3103951633
1312503498597a
147493b59d383
153a2957914e9
hex1eddc117b47

2121111010119 has 16 divisors (see below), whose sum is σ = 2850522398720. Its totient is φ = 1402887638880.

The previous prime is 2121111010099. The next prime is 2121111010199. The reversal of 2121111010119 is 9110101111212.

It is a happy number.

It is not a de Polignac number, because 2121111010119 - 28 = 2121111009863 is a prime.

It is a super-2 number, since 2×21211110101192 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121111010095 and 2121111010104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121111010199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12097722 + ... + 12271800.

It is an arithmetic number, because the mean of its divisors is an integer number (178157649920).

Almost surely, 22121111010119 is an apocalyptic number.

2121111010119 is a deficient number, since it is larger than the sum of its proper divisors (729411388601).

2121111010119 is a wasteful number, since it uses less digits than its factorization.

2121111010119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206190.

The product of its (nonzero) digits is 36, while the sum is 21.

The spelling of 2121111010119 in words is "two trillion, one hundred twenty-one billion, one hundred eleven million, ten thousand, one hundred nineteen".

Divisors: 1 3 127 381 31981 95943 174079 522237 4061587 12184761 22108033 66324099 5567220499 16701661497 707037003373 2121111010119