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121341012101 = 258194699679
BaseRepresentation
bin111000100000001111…
…1001110100010000101
3102121012110112002021022
41301000133032202011
53442001244341401
6131424315000525
711523641404451
oct1610037164205
9377173462238
10121341012101
1147507924391
121b624a39145
13b599c8175a
145c314a1661
153252a9771b
hex1c407ce885

121341012101 has 4 divisors (see below), whose sum is σ = 121345737600. Its totient is φ = 121336286604.

The previous prime is 121341012097. The next prime is 121341012103. The reversal of 121341012101 is 101210143121.

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: 101210143121 = 116998651179.

It is a cyclic number.

It is not a de Polignac number, because 121341012101 - 22 = 121341012097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121341012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121341012103) 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, 2324021 + ... + 2375658.

It is an arithmetic number, because the mean of its divisors is an integer number (30336434400).

Almost surely, 2121341012101 is an apocalyptic number.

It is an amenable number.

121341012101 is a deficient number, since it is larger than the sum of its proper divisors (4725499).

121341012101 is an equidigital number, since it uses as much as digits as its factorization.

121341012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725498.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121341012101 its reverse (101210143121), we get a palindrome (222551155222).

The spelling of 121341012101 in words is "one hundred twenty-one billion, three hundred forty-one million, twelve thousand, one hundred one".

Divisors: 1 25819 4699679 121341012101