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111121202202101 = 7131221112112111
BaseRepresentation
bin11001010001000001101011…
…110010001100010111110101
3112120110002020122022000100022
4121101001223302030113311
5104031102210230431401
61032200213042054525
732256145660140440
oct3121015362142765
9476402218260308
10111121202202101
11324522677a0463
121056804994a445
134a008b8839c40
141d6241b234657
15cca7b675271b
hex65106bc8c5f5

111121202202101 has 8 divisors (see below), whose sum is σ = 136764556556544. Its totient is φ = 87920072071920.

The previous prime is 111121202202083. The next prime is 111121202202103. The reversal of 111121202202101 is 101202202121111.

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 111121202202101 - 230 = 111120128460277 is a prime.

It is a super-2 number, since 2×1111212022021012 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111121202202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121202202103) 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 7 ways as a sum of consecutive naturals, for example, 610556055965 + ... + 610556056146.

It is an arithmetic number, because the mean of its divisors is an integer number (17095569569568).

Almost surely, 2111121202202101 is an apocalyptic number.

It is an amenable number.

111121202202101 is a deficient number, since it is larger than the sum of its proper divisors (25643354354443).

111121202202101 is a wasteful number, since it uses less digits than its factorization.

111121202202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221112112131.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111121202202101 its reverse (101202202121111), we get a palindrome (212323404323212).

The spelling of 111121202202101 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred two million, two hundred two thousand, one hundred one".

Divisors: 1 7 13 91 1221112112111 8547784784777 15874457457443 111121202202101