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1202200110121 = 9628671248563
BaseRepresentation
bin10001011111101000101…
…101011110010000101001
311020221002101121021200111
4101133220231132100221
5124144101212010441
62320141052334321
7152566432221163
oct21375055362051
94227071537614
101202200110121
1142393969141a
12174bb24743a1
13894a035750a
14422887d3933
1521412e2a081
hex117e8b5e429

1202200110121 has 4 divisors (see below), whose sum is σ = 1202202321552. Its totient is φ = 1202197898692.

The previous prime is 1202200110077. The next prime is 1202200110157. The reversal of 1202200110121 is 1210110022021.

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 1202200110121 - 219 = 1202199585833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202200110421) 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, 338586 + ... + 1587148.

It is an arithmetic number, because the mean of its divisors is an integer number (300550580388).

Almost surely, 21202200110121 is an apocalyptic number.

It is an amenable number.

1202200110121 is a deficient number, since it is larger than the sum of its proper divisors (2211431).

1202200110121 is an equidigital number, since it uses as much as digits as its factorization.

1202200110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211430.

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

Adding to 1202200110121 its reverse (1210110022021), we get a palindrome (2412310132142).

The spelling of 1202200110121 in words is "one trillion, two hundred two billion, two hundred million, one hundred ten thousand, one hundred twenty-one".

Divisors: 1 962867 1248563 1202200110121