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121102211102122 = 265740819210581
BaseRepresentation
bin11011100010010001001110…
…010001100011010110101010
3120212210020222022102102120101
4123202101032101203112222
5111333114312020231442
61105321330542020014
734336226454030445
oct3342211621432652
9525706868372511
10121102211102122
1135650183047a28
12116ba50557760a
135275b743229a3
1421c954206465c
15e0022e2b7cb7
hex6e244e4635aa

121102211102122 has 8 divisors (see below), whose sum is σ = 181653364007172. Its totient is φ = 60551089766400.

The previous prime is 121102211102069. The next prime is 121102211102179. The reversal of 121102211102122 is 221201112201121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97304000189841 + 23798210912281 = 9864279^2 + 4878341^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121102211102122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8542872 + ... + 17753452.

Almost surely, 2121102211102122 is an apocalyptic number.

121102211102122 is a deficient number, since it is larger than the sum of its proper divisors (60551152905050).

121102211102122 is an equidigital number, since it uses as much as digits as its factorization.

121102211102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15784664.

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

Adding to 121102211102122 its reverse (221201112201121), we get a palindrome (342303323303243).

The spelling of 121102211102122 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred eleven million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 6574081 9210581 13148162 18421162 60551105551061 121102211102122