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121030112021322 = 23710331278934211
BaseRepresentation
bin11011100001001110000100…
…110101011000101101001010
3120212112100212121021122011110
4123201032010311120231022
5111330424132134140242
61105224244344311150
734331065000662630
oct3341160465305512
9525470777248143
10121030112021322
1135622644a95439
12116a85437724b6
13526c12404c9ba
1421c5c62761350
15ded40e77239c
hex6e1384d58b4a

121030112021322 has 32 divisors (see below), whose sum is σ = 276667034724864. Its totient is φ = 34576684671600.

The previous prime is 121030112021279. The next prime is 121030112021327. The reversal of 121030112021322 is 223120211030121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (121030112021327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139033204 + ... + 139901007.

It is an arithmetic number, because the mean of its divisors is an integer number (8645844835152).

Almost surely, 2121030112021322 is an apocalyptic number.

121030112021322 is an abundant number, since it is smaller than the sum of its proper divisors (155636922703542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121030112021322 is a wasteful number, since it uses less digits than its factorization.

121030112021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278944554.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121030112021322 its reverse (223120211030121), we get a palindrome (344150323051443).

The spelling of 121030112021322 in words is "one hundred twenty-one trillion, thirty billion, one hundred twelve million, twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 10331 20662 30993 61986 72317 144634 216951 433902 278934211 557868422 836802633 1673605266 1952539477 3905078954 5857618431 11715236862 2881669333841 5763338667682 8645008001523 17290016003046 20171685336887 40343370673774 60515056010661 121030112021322