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112101121001 = 154372651407
BaseRepresentation
bin110100001100110111…
…1110101101111101001
3101201100112000222112102
41220121233311233221
53314040341333001
6123255404023145
711045653543442
oct1503157655751
9351315028472
10112101121001
11435a6184451
1219886531ab5
13a7568bb07c
1455d62822c9
152db17d1e6b
hex1a19bf5be9

112101121001 has 4 divisors (see below), whose sum is σ = 112173773952. Its totient is φ = 112028468052.

The previous prime is 112101120997. The next prime is 112101121031. The reversal of 112101121001 is 100121101211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100121101211 = 234353091357.

It is a cyclic number.

It is not a de Polignac number, because 112101121001 - 22 = 112101120997 is a prime.

It is a super-2 number, since 2×1121011210012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112101121031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36324161 + ... + 36327246.

It is an arithmetic number, because the mean of its divisors is an integer number (28043443488).

Almost surely, 2112101121001 is an apocalyptic number.

It is an amenable number.

112101121001 is a deficient number, since it is larger than the sum of its proper divisors (72652951).

112101121001 is an equidigital number, since it uses as much as digits as its factorization.

112101121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72652950.

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

Adding to 112101121001 its reverse (100121101211), we get a palindrome (212222222212).

The spelling of 112101121001 in words is "one hundred twelve billion, one hundred one million, one hundred twenty-one thousand, one".

Divisors: 1 1543 72651407 112101121001