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1201102101101 = 7171586014443
BaseRepresentation
bin10001011110100111010…
…000111001101001101101
311020211020212111122110202
4101132213100321221231
5124134324114213401
62315440110243245
7152530300256540
oct21364720715155
94224225448422
101201102101101
11423425906a51
121749467b6525
1389356a22b36
14421c2a52857
152139b83906b
hex117a7439a6d

1201102101101 has 4 divisors (see below), whose sum is σ = 1372688115552. Its totient is φ = 1029516086652.

The previous prime is 1201102101049. The next prime is 1201102101131. The reversal of 1201102101101 is 1011012011021.

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 a de Polignac number, because none of the positive numbers 2k-1201102101101 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 (1201102101131) 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, 85793007215 + ... + 85793007228.

It is an arithmetic number, because the mean of its divisors is an integer number (343172028888).

Almost surely, 21201102101101 is an apocalyptic number.

It is an amenable number.

1201102101101 is a deficient number, since it is larger than the sum of its proper divisors (171586014451).

1201102101101 is an equidigital number, since it uses as much as digits as its factorization.

1201102101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171586014450.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1201102101101 its reverse (1011012011021), we get a palindrome (2212114112122).

The spelling of 1201102101101 in words is "one trillion, two hundred one billion, one hundred two million, one hundred one thousand, one hundred one".

Divisors: 1 7 171586014443 1201102101101