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1220122002211 = 71710253126069
BaseRepresentation
bin10001110000010100111…
…100000100001100100011
311022122100101210201210121
4101300110330010030203
5124442302213032321
62332303304541111
7154102521620350
oct21602474041443
94278311721717
101220122002211
114304a6075192
12178574481797
138b09833a9a8
14430a8acb627
1521b11505441
hex11c14f04323

1220122002211 has 8 divisors (see below), whose sum is σ = 1476450154080. Its totient is φ = 984300102528.

The previous prime is 1220122002191. The next prime is 1220122002287. The reversal of 1220122002211 is 1122002210221.

It is a happy number.

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 1220122002211 - 25 = 1220122002179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220122042211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5126562916 + ... + 5126563153.

It is an arithmetic number, because the mean of its divisors is an integer number (184556269260).

Almost surely, 21220122002211 is an apocalyptic number.

1220122002211 is a deficient number, since it is larger than the sum of its proper divisors (256328151869).

1220122002211 is a wasteful number, since it uses less digits than its factorization.

1220122002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253126093.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220122002211 its reverse (1122002210221), we get a palindrome (2342124212432).

The spelling of 1220122002211 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two thousand, two hundred eleven".

Divisors: 1 7 17 119 10253126069 71771882483 174303143173 1220122002211