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121102122202222 = 2721235735940839
BaseRepresentation
bin11011100010010001001000…
…111110011011010001101110
3120212210020202010010211211111
4123202101020332123101232
5111333114121240432342
61105321314044342234
734336224324266200
oct3342211076332156
9525706663124744
10121102122202222
1135650137948137
12116ba49b84497a
135275b5ba976b5
1421c9534322770
15e002265a7217
hex6e2448f9b46e

121102122202222 has 12 divisors (see below), whose sum is σ = 211310845883640. Its totient is φ = 51900909515196.

The previous prime is 121102122202199. The next prime is 121102122202231. The reversal of 121102122202222 is 222202221201121.

It is a junction number, because it is equal to n+sod(n) for n = 121102122202193 and 121102122202202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617867970322 + ... + 617867970517.

It is an arithmetic number, because the mean of its divisors is an integer number (17609237156970).

Almost surely, 2121102122202222 is an apocalyptic number.

121102122202222 is a deficient number, since it is larger than the sum of its proper divisors (90208723681418).

121102122202222 is a wasteful number, since it uses less digits than its factorization.

121102122202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235735940855 (or 1235735940848 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121102122202222 its reverse (222202221201121), we get a palindrome (343304343403343).

The spelling of 121102122202222 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 7 14 49 98 1235735940839 2471471881678 8650151585873 17300303171746 60551061101111 121102122202222