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111311313021101 = 163682891490927
BaseRepresentation
bin11001010011110010101111…
…010001011010100010101101
3112121010020221210100020210202
4121103302233101122202231
5104042211032113133401
61032423413344443245
732305656050345114
oct3123625721324255
9477106853306722
10111311313021101
11325159543585a6
1210598a65619525
134a157c50cca0b
141d6b6d3b9cc7b
15cd06e190906b
hex653caf45a8ad

111311313021101 has 4 divisors (see below), whose sum is σ = 111994204512192. Its totient is φ = 110628421530012.

The previous prime is 111311313021089. The next prime is 111311313021109. The reversal of 111311313021101 is 101120313113111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111311313021101 - 246 = 40942568843437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111311313021109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341445745301 + ... + 341445745626.

It is an arithmetic number, because the mean of its divisors is an integer number (27998551128048).

Almost surely, 2111311313021101 is an apocalyptic number.

It is an amenable number.

111311313021101 is a deficient number, since it is larger than the sum of its proper divisors (682891491091).

111311313021101 is an equidigital number, since it uses as much as digits as its factorization.

111311313021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682891491090.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 111311313021101 its reverse (101120313113111), we get a palindrome (212431626134212).

The spelling of 111311313021101 in words is "one hundred eleven trillion, three hundred eleven billion, three hundred thirteen million, twenty-one thousand, one hundred one".

Divisors: 1 163 682891490927 111311313021101