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121315114220131 = 1332172900818111
BaseRepresentation
bin11011100101010111100000…
…010010011111101001100011
3120220112121111220012102102101
4123211113200102133221203
5111400111323220021011
61110003221042431231
734360504423464346
oct3345274022375143
9526477456172371
10121315114220131
11357224a6331717
1211733822362517
13528cc73922320
1421d597ba9245d
15e05a404032c1
hex6e55e049fa63

121315114220131 has 8 divisors (see below), whose sum is σ = 130687657581824. Its totient is φ = 111948372501120.

The previous prime is 121315114220129. The next prime is 121315114220159. The reversal of 121315114220131 is 131022411513121.

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 121315114220131 - 21 = 121315114220129 is a prime.

It is a super-2 number, since 2×1213151142201312 (a number of 29 digits) contains 22 as substring.

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 121315114220131.

It is not an unprimeable number, because it can be changed into a prime (121315114220161) 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, 1450367235 + ... + 1450450876.

It is an arithmetic number, because the mean of its divisors is an integer number (16335957197728).

Almost surely, 2121315114220131 is an apocalyptic number.

121315114220131 is a deficient number, since it is larger than the sum of its proper divisors (9372543361693).

121315114220131 is a wasteful number, since it uses less digits than its factorization.

121315114220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900821341.

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 121315114220131 its reverse (131022411513121), we get a palindrome (252337525733252).

The spelling of 121315114220131 in words is "one hundred twenty-one trillion, three hundred fifteen billion, one hundred fourteen million, two hundred twenty thousand, one hundred thirty-one".

Divisors: 1 13 3217 41821 2900818111 37710635443 9331931863087 121315114220131