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111012001200021 = 3234889329079481
BaseRepresentation
bin11001001111011011111110…
…111001011011011110010101
3112120001122101020100100001210
4121033123332321123132111
5104022310034301400041
61032034113113412033
732245231610011125
oct3117337671333625
9476048336310053
10111012001200021
113240aa1a667309
121054aa5270a019
1349c3504a31a8c
141d5b01c1d8c85
15cc7a24885016
hex64f6fee5b795

111012001200021 has 16 divisors (see below), whose sum is σ = 154483072030080. Its totient is φ = 70775781922560.

The previous prime is 111012001200017. The next prime is 111012001200119. The reversal of 111012001200021 is 120002100210111.

It is not a de Polignac number, because 111012001200021 - 22 = 111012001200017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012001600021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164202400 + ... + 164877081.

It is an arithmetic number, because the mean of its divisors is an integer number (9655192001880).

Almost surely, 2111012001200021 is an apocalyptic number.

It is an amenable number.

111012001200021 is a deficient number, since it is larger than the sum of its proper divisors (43471070830059).

111012001200021 is a wasteful number, since it uses less digits than its factorization.

111012001200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329084396.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111012001200021 its reverse (120002100210111), we get a palindrome (231014101410132).

The spelling of 111012001200021 in words is "one hundred eleven trillion, twelve billion, one million, two hundred thousand, twenty-one".

Divisors: 1 3 23 69 4889 14667 112447 337341 329079481 987238443 7568828063 22706484189 1608869582609 4826608747827 37004000400007 111012001200021