Search a number
-
+
1101012121121 = 11572231749157
BaseRepresentation
bin10000000001011001011…
…011111011011000100001
310220020220102112211220012
4100001121123323120201
5121014333100333441
62201444210454305
7142355051420663
oct20013133733041
93806812484805
101101012121121
11394a33703630
12159472894395
137ca9569a603
143b409a8c533
151d98e7789eb
hex100596fb621

1101012121121 has 8 divisors (see below), whose sum is σ = 1201125808704. Its totient is φ = 1000902046320.

The previous prime is 1101012121057. The next prime is 1101012121123. The reversal of 1101012121121 is 1211212101011.

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

It is not a de Polignac number, because 1101012121121 - 26 = 1101012121057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101012121096 and 1101012121105.

It is not an unprimeable number, because it can be changed into a prime (1101012121123) 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, 245126 + ... + 1504031.

It is an arithmetic number, because the mean of its divisors is an integer number (150140726088).

Almost surely, 21101012121121 is an apocalyptic number.

1101012121121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101012121121 is a deficient number, since it is larger than the sum of its proper divisors (100113687583).

1101012121121 is a wasteful number, since it uses less digits than its factorization.

1101012121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806391.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1101012121121 its reverse (1211212101011), we get a palindrome (2312224222132).

The spelling of 1101012121121 in words is "one trillion, one hundred one billion, twelve million, one hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 11 57223 629453 1749157 19240727 100092011011 1101012121121