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121102212011122 = 21713725998757409
BaseRepresentation
bin11011100010010001001110…
…010101000001010001110010
3120212210020222101010121111001
4123202101032111001101302
5111333114312233323442
61105321331013312214
734336226464534546
oct3342211625012162
9525706871117431
10121102212011122
1135650183608971
12116ba50593566a
135275b74580664
1421c954221da26
15e0022e3e72b7
hex6e244e541472

121102212011122 has 16 divisors (see below), whose sum is σ = 193742740219320. Its totient is φ = 56573296119808.

The previous prime is 121102212011101. The next prime is 121102212011147. The reversal of 121102212011122 is 221110212201121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 120696788191681 + 405423819441 = 10986209^2 + 636729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121102212011122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12999374047 + ... + 12999383362.

Almost surely, 2121102212011122 is an apocalyptic number.

121102212011122 is a deficient number, since it is larger than the sum of its proper divisors (72640528208198).

121102212011122 is a wasteful number, since it uses less digits than its factorization.

121102212011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25998757565.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121102212011122 its reverse (221110212201121), we get a palindrome (342212424212243).

The spelling of 121102212011122 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twelve million, eleven thousand, one hundred twenty-two".

Divisors: 1 2 17 34 137 274 2329 4658 25998757409 51997514818 441978875953 883957751906 3561829765033 7123659530066 60551106005561 121102212011122