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121110010222121 = 197643956098951
BaseRepresentation
bin11011100010011000011111…
…001000110101011000101001
3120212211000002211211202220122
4123202120133020311120221
5111333231300104101441
61105325100504133025
734336623645326564
oct3342303710653051
9525730084752818
10121110010222121
1135653515491248
12116bbb21467175
1352768180610ab
1421c9a81b9b4db
15e00538d3334b
hex6e261f235629

121110010222121 has 8 divisors (see below), whose sum is σ = 121914089567424. Its totient is φ = 120307843076400.

The previous prime is 121110010222109. The next prime is 121110010222127. The reversal of 121110010222121 is 121222010011121.

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 121110010222121 - 26 = 121110010222057 is a prime.

It is a super-2 number, since 2×1211100102221212 (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 121110010222121.

It is not an unprimeable number, because it can be changed into a prime (121110010222127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477922805 + ... + 478176146.

It is an arithmetic number, because the mean of its divisors is an integer number (15239261195928).

Almost surely, 2121110010222121 is an apocalyptic number.

It is an amenable number.

121110010222121 is a deficient number, since it is larger than the sum of its proper divisors (804079345303).

121110010222121 is an equidigital number, since it uses as much as digits as its factorization.

121110010222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956099791.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121110010222121 its reverse (121222010011121), we get a palindrome (242332020233242).

The spelling of 121110010222121 in words is "one hundred twenty-one trillion, one hundred ten billion, ten million, two hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 197 643 126671 956098951 188351493347 614771625493 121110010222121