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1201112020211 = 22320872580811
BaseRepresentation
bin10001011110100111110…
…110101111010011110011
311020211021120011120221012
4101132213312233103303
5124134334134121321
62315441103021135
7152530450501325
oct21364766572363
94224246146835
101201112020211
11423430471364
12174949b9a7ab
1389358ab692c
14421c40b5615
152139c64805b
hex117a7daf4f3

1201112020211 has 8 divisors (see below), whose sum is σ = 1207076742144. Its totient is φ = 1195152464520.

The previous prime is 1201112020189. The next prime is 1201112020231. The reversal of 1201112020211 is 1120202111021.

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 1201112020211 - 210 = 1201112019187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201112020231) 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, 825005 + ... + 1755806.

It is an arithmetic number, because the mean of its divisors is an integer number (150884592768).

Almost surely, 21201112020211 is an apocalyptic number.

1201112020211 is a deficient number, since it is larger than the sum of its proper divisors (5964721933).

1201112020211 is a wasteful number, since it uses less digits than its factorization.

1201112020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583121.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201112020211 its reverse (1120202111021), we get a palindrome (2321314131232).

The spelling of 1201112020211 in words is "one trillion, two hundred one billion, one hundred twelve million, twenty thousand, two hundred eleven".

Divisors: 1 223 2087 465401 2580811 575520853 5386152557 1201112020211