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2121211112119 = 1110110717843747
BaseRepresentation
bin11110110111100010000…
…010001110101010110111
321111210012211221022221221
4132313202002032222313
5234223220021041434
64302245415451211
7306152405646421
oct36674202165267
97453184838857
102121211112119
11748667411410
122a3131386b07
1312504c633a18
147494a9b9811
153a29e4662b4
hex1ede208eab7

2121211112119 has 16 divisors (see below), whose sum is σ = 2358800735616. Its totient is φ = 1891437076000.

The previous prime is 2121211112107. The next prime is 2121211112123. The reversal of 2121211112119 is 9112111121212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2121211112119 is a prime.

It is a super-2 number, since 2×21212111121192 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121211112093 and 2121211112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121211112219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8802997 + ... + 9040750.

It is an arithmetic number, because the mean of its divisors is an integer number (147425045976).

Almost surely, 22121211112119 is an apocalyptic number.

2121211112119 is a deficient number, since it is larger than the sum of its proper divisors (237589623497).

2121211112119 is a wasteful number, since it uses less digits than its factorization.

2121211112119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17843966.

The product of its digits is 144, while the sum is 25.

It can be divided in two parts, 2 and 121211112119, that added together give a palindrome (121211112121).

The spelling of 2121211112119 in words is "two trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twelve thousand, one hundred nineteen".

Divisors: 1 11 101 107 1111 1177 10807 118877 17843747 196281217 1802218447 1909280929 19824402917 21002090219 192837373829 2121211112119