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1201022102201 = 17233303211841
BaseRepresentation
bin10001011110100010011…
…111101110101010111001
311020211001021222021121112
4101132202133232222321
5124134143124232301
62315424131450105
7152525306266565
oct21364237565271
94224037867545
101201022102201
11423394736659
12174923a56935
13893432930cc
14421b618a6a5
15213947d59bb
hex117a27eeab9

1201022102201 has 8 divisors (see below), whose sum is σ = 1277128278504. Its totient is φ = 1125522350080.

The previous prime is 1201022102197. The next prime is 1201022102207. The reversal of 1201022102201 is 1022012201021.

It can be written as a sum of positive squares in 4 ways, for example, as 449367781801 + 751654320400 = 670349^2 + 866980^2 .

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 1201022102201 - 22 = 1201022102197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201022102207) 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, 151601960 + ... + 151609881.

It is an arithmetic number, because the mean of its divisors is an integer number (159641034813).

Almost surely, 21201022102201 is an apocalyptic number.

It is an amenable number.

1201022102201 is a deficient number, since it is larger than the sum of its proper divisors (76106176303).

1201022102201 is a wasteful number, since it uses less digits than its factorization.

1201022102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303212091.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1201022102201 its reverse (1022012201021), we get a palindrome (2223034303222).

The spelling of 1201022102201 in words is "one trillion, two hundred one billion, twenty-two million, one hundred two thousand, two hundred one".

Divisors: 1 17 233 3961 303211841 5154601297 70648358953 1201022102201