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121102230323221 = 72191051123765541
BaseRepresentation
bin11011100010010001001111…
…011010111000000000010101
3120212210021000122120221221221
4123202101033122320000111
5111333114331430320341
61105321332510010341
734336230106303600
oct3342211732700025
9525707018527857
10121102230323221
1135650192986034
12116ba50baa69b1
135275b782c2714
1421c9544829337
15e00230d12ed1
hex6e244f6b8015

121102230323221 has 24 divisors (see below), whose sum is σ = 148429539209760. Its totient is φ = 98245085652000.

The previous prime is 121102230323197. The next prime is 121102230323231. The reversal of 121102230323221 is 122323032201121.

It is not a de Polignac number, because 121102230323221 - 227 = 121102096105493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102230323231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60904290 + ... + 62861251.

It is an arithmetic number, because the mean of its divisors is an integer number (6184564133740).

Almost surely, 2121102230323221 is an apocalyptic number.

It is an amenable number.

121102230323221 is a deficient number, since it is larger than the sum of its proper divisors (27327308886539).

121102230323221 is a wasteful number, since it uses less digits than its factorization.

121102230323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123766625 (or 123766618 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 121102230323221 its reverse (122323032201121), we get a palindrome (243425262524342).

The spelling of 121102230323221 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred thirty million, three hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 7 19 49 133 931 1051 7357 19969 51499 139783 978481 123765541 866358787 2351545279 6064511509 16460816953 115225718671 130077583591 910543085137 2471474088229 6373801595959 17300318617603 121102230323221