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111110132021 = 723476763049
BaseRepresentation
bin110011101111010101…
…1100001000100110101
3101121210110022112012212
41213132223201010311
53310023143211041
6123013203423205
711012261352650
oct1473653410465
9347713275185
10111110132021
1143137855799
121964a684b05
13a6294b7565
1455407dc897
152d547d08eb
hex19deae1135

111110132021 has 8 divisors (see below), whose sum is σ = 127037131200. Its totient is φ = 95196663648.

The previous prime is 111110131997. The next prime is 111110132033. The reversal of 111110132021 is 120231011111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111110132021 is a prime.

It is a super-2 number, since 2×1111101320212 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111110131987 and 111110132005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110132071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3365096 + ... + 3397953.

It is an arithmetic number, because the mean of its divisors is an integer number (15879641400).

Almost surely, 2111110132021 is an apocalyptic number.

It is an amenable number.

111110132021 is a deficient number, since it is larger than the sum of its proper divisors (15926999179).

111110132021 is an equidigital number, since it uses as much as digits as its factorization.

111110132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765403.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111110132021 its reverse (120231011111), we get a palindrome (231341143132).

The spelling of 111110132021 in words is "one hundred eleven billion, one hundred ten million, one hundred thirty-two thousand, twenty-one".

Divisors: 1 7 2347 16429 6763049 47341343 15872876003 111110132021