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121121310012113 = 1720833420443083
BaseRepresentation
bin11011100010100011000000…
…101010000111001011010001
3120212212002021100101120201002
4123202203000222013023101
5111333422420330341423
61105334210041551345
734340503655055665
oct3342430052071321
9525762240346632
10121121310012113
113565829396a764
12117021557a5555
1352778c9111a68
1421ca4347c88a5
15e0099ad8e228
hex6e28c0a872d1

121121310012113 has 8 divisors (see below), whose sum is σ = 128307660967008. Its totient is φ = 113941799947584.

The previous prime is 121121310012067. The next prime is 121121310012149. The reversal of 121121310012113 is 311210013121121.

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 121121310012113 - 236 = 121052590535377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121121310012193) 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, 1710186131 + ... + 1710256952.

It is an arithmetic number, because the mean of its divisors is an integer number (16038457620876).

Almost surely, 2121121310012113 is an apocalyptic number.

It is an amenable number.

121121310012113 is a deficient number, since it is larger than the sum of its proper divisors (7186350954895).

121121310012113 is a wasteful number, since it uses less digits than its factorization.

121121310012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420445183.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 121121310012113 its reverse (311210013121121), we get a palindrome (432331323133234).

The spelling of 121121310012113 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, three hundred ten million, twelve thousand, one hundred thirteen".

Divisors: 1 17 2083 35411 3420443083 58147532411 7124782941889 121121310012113