Search a number
-
+
1201102111101 = 31549258468283
BaseRepresentation
bin10001011110100111010…
…000111100000101111101
311020211020212112011012010
4101132213100330011331
5124134324120023401
62315440110401433
7152530300330644
oct21364720740575
94224225464163
101201102111101
11423425913512
12174946800279
1389356a27559
14421c2a5635b
152139b83bed6
hex117a743c17d

1201102111101 has 8 divisors (see below), whose sum is σ = 1602503360800. Its totient is φ = 800217801072.

The previous prime is 1201102111087. The next prime is 1201102111169. The reversal of 1201102111101 is 1011112011021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201102111101 - 210 = 1201102110077 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 (1201102111201) 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, 129229495 + ... + 129238788.

It is an arithmetic number, because the mean of its divisors is an integer number (200312920100).

Almost surely, 21201102111101 is an apocalyptic number.

It is an amenable number.

1201102111101 is a deficient number, since it is larger than the sum of its proper divisors (401401249699).

1201102111101 is a wasteful number, since it uses less digits than its factorization.

1201102111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258469835.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1201102111101 its reverse (1011112011021), we get a palindrome (2212214122122).

The spelling of 1201102111101 in words is "one trillion, two hundred one billion, one hundred two million, one hundred eleven thousand, one hundred one".

Divisors: 1 3 1549 4647 258468283 775404849 400367370367 1201102111101