Search a number
-
+
1201101102101 = 19717917365147
BaseRepresentation
bin10001011110100111001…
…101000101110000010101
311020211020210121220002202
4101132213031011300111
5124134323340231401
62315440033014245
7152530255626155
oct21364715056025
94224223556082
101201101102101
1142342529442a
121749463b4385
1389356763204
14421c2872765
152139b6dd06b
hex117a7345c15

1201101102101 has 32 divisors (see below), whose sum is σ = 1305878630400. Its totient is φ = 1101238407360.

The previous prime is 1201101102083. The next prime is 1201101102137. The reversal of 1201101102101 is 1012011011021.

It is a cyclic number.

It is not a de Polignac number, because 1201101102101 - 218 = 1201100839957 is a prime.

It is a super-2 number, since 2×12011011021012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201101102001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18404210 + ... + 18469356.

It is an arithmetic number, because the mean of its divisors is an integer number (40808707200).

Almost surely, 21201101102101 is an apocalyptic number.

It is an amenable number.

1201101102101 is a deficient number, since it is larger than the sum of its proper divisors (104777528299).

1201101102101 is a wasteful number, since it uses less digits than its factorization.

1201101102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65489.

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

Adding to 1201101102101 its reverse (1012011011021), we get a palindrome (2213112113122).

The spelling of 1201101102101 in words is "one trillion, two hundred one billion, one hundred one million, one hundred two thousand, one hundred one".

Divisors: 1 19 71 79 173 1349 1501 3287 5609 12283 13667 65147 106571 233377 259673 970357 1237793 4625437 5146613 11270431 18436783 87883303 97785647 214138189 365409523 800200601 890364049 6942780937 15203811419 16916916931 63215847479 1201101102101