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121013221031122 = 278643801502223
BaseRepresentation
bin11011100000111110010110…
…000011010111110011010010
3120212110202021102220102120211
4123200332112003113303102
5111330140034040443442
61105212412315554334
734326626266640350
oct3340762603276322
9525422242812524
10121013221031122
1135616467511502
12116a520aa5b9aa
13526a661806044
1421c50dd33a7d0
15decc7192e617
hex6e0f960d7cd2

121013221031122 has 8 divisors (see below), whose sum is σ = 207451236053376. Its totient is φ = 51862809013332.

The previous prime is 121013221031009. The next prime is 121013221031123. The reversal of 121013221031122 is 221130122310121.

It is a happy number.

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

It is a super-4 number, since 4×1210132210311224 (a number of 57 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121013221031093 and 121013221031102.

It is not an unprimeable number, because it can be changed into a prime (121013221031123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4321900751098 + ... + 4321900751125.

It is an arithmetic number, because the mean of its divisors is an integer number (25931404506672).

Almost surely, 2121013221031122 is an apocalyptic number.

121013221031122 is a deficient number, since it is larger than the sum of its proper divisors (86438015022254).

121013221031122 is an equidigital number, since it uses as much as digits as its factorization.

121013221031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8643801502232.

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

Adding to 121013221031122 its reverse (221130122310121), we get a palindrome (342143343341243).

The spelling of 121013221031122 in words is "one hundred twenty-one trillion, thirteen billion, two hundred twenty-one million, thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 7 14 8643801502223 17287603004446 60506610515561 121013221031122