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121311023222011 = 7123791139995203
BaseRepresentation
bin11011100101010011101100…
…011100100100110011111011
3120220112012221210021012000111
4123211103230130210303323
5111400024433421101021
61110001303102245151
734360301146540210
oct3345235434446373
9526465853235014
10121311023222011
1135720797045237
1211732a802867b7
13528c7711bc58c
1421d56b0611b07
15e058a11a58e1
hex6e54ec724cfb

121311023222011 has 8 divisors (see below), whose sum is σ = 138642290348544. Its totient is φ = 103980036333480.

The previous prime is 121311023221943. The next prime is 121311023222021. The reversal of 121311023222011 is 110222320113121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121311023222011 - 29 = 121311023221499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121311023222021) 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, 69131065 + ... + 70864138.

It is an arithmetic number, because the mean of its divisors is an integer number (17330286293568).

Almost surely, 2121311023222011 is an apocalyptic number.

121311023222011 is a deficient number, since it is larger than the sum of its proper divisors (17331267126533).

121311023222011 is a wasteful number, since it uses less digits than its factorization.

121311023222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140119001.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121311023222011 its reverse (110222320113121), we get a palindrome (231533343335132).

The spelling of 121311023222011 in words is "one hundred twenty-one trillion, three hundred eleven billion, twenty-three million, two hundred twenty-two thousand, eleven".

Divisors: 1 7 123791 866537 139995203 979966421 17330146174573 121311023222011