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BaseRepresentation
bin111000100000001111…
…1010001001101111110
3102121012110112122100202
41301000133101031332
53442001300214402
6131424315123502
711523641451515
oct1610037211576
9377173478322
10121341023102
1147507931682
121b624a43592
13b599c86770
145c314a567c
153252a9ab02
hex1c407d137e

121341023102 has 16 divisors (see below), whose sum is σ = 196018341120. Its totient is φ = 56001857952.

The previous prime is 121341023101. The next prime is 121341023113. The reversal of 121341023102 is 201320143121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121341023101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339043 + ... + 1426785.

It is an arithmetic number, because the mean of its divisors is an integer number (12251146320).

Almost surely, 2121341023102 is an apocalyptic number.

121341023102 is a deficient number, since it is larger than the sum of its proper divisors (74677318018).

121341023102 is a wasteful number, since it uses less digits than its factorization.

121341023102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140947.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121341023102 its reverse (201320143121), we get a palindrome (322661166223).

The spelling of 121341023102 in words is "one hundred twenty-one billion, three hundred forty-one million, twenty-three thousand, one hundred two".