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1201112000221 = 73307346314983
BaseRepresentation
bin10001011110100111110…
…110101010011011011101
311020211021120010120111211
4101132213312222123131
5124134334133001341
62315441102344421
7152530450356130
oct21364766523335
94224246116454
101201112000221
11423430458341
12174949b8b111
1389358aaa7c3
14421c40ac217
152139c642181
hex117a7daa6dd

1201112000221 has 16 divisors (see below), whose sum is σ = 1373602699264. Its totient is φ = 1028847379824.

The previous prime is 1201112000219. The next prime is 1201112000251. The reversal of 1201112000221 is 1220002111021.

It is a cyclic number.

It is not a de Polignac number, because 1201112000221 - 21 = 1201112000219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201112000201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80157496 + ... + 80172478.

It is an arithmetic number, because the mean of its divisors is an integer number (85850168704).

Almost surely, 21201112000221 is an apocalyptic number.

It is an amenable number.

1201112000221 is a deficient number, since it is larger than the sum of its proper divisors (172490699043).

1201112000221 is a wasteful number, since it uses less digits than its factorization.

1201112000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21760.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201112000221 its reverse (1220002111021), we get a palindrome (2421114111242).

The spelling of 1201112000221 in words is "one trillion, two hundred one billion, one hundred twelve million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 7 3307 3463 14983 23149 24241 104881 11452141 49548781 51886129 80164987 346841467 363202903 171587428603 1201112000221