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1220303322211 = 10119891607421
BaseRepresentation
bin10001110000011111101…
…111101111110001100011
311022122211000222202002011
4101300133233233301203
5124443140122302321
62332333303133351
7154110153044161
oct21603757576143
94278730882064
101220303322211
11430589459626
12178605144257
138b0c6a8462c
14430c4c0a231
1521b223beae1
hex11c1fbefc63

1220303322211 has 8 divisors (see below), whose sum is σ = 1232449519248. Its totient is φ = 1208158380000.

The previous prime is 1220303322193. The next prime is 1220303322241. The reversal of 1220303322211 is 1122233030221.

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 1220303322211 - 225 = 1220269767779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220303322241) 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, 1705281 + ... + 2312701.

It is an arithmetic number, because the mean of its divisors is an integer number (154056189906).

Almost surely, 21220303322211 is an apocalyptic number.

1220303322211 is a deficient number, since it is larger than the sum of its proper divisors (12146197037).

1220303322211 is a wasteful number, since it uses less digits than its factorization.

1220303322211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627413.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1220303322211 its reverse (1122233030221), we get a palindrome (2342536352432).

The spelling of 1220303322211 in words is "one trillion, two hundred twenty billion, three hundred three million, three hundred twenty-two thousand, two hundred eleven".

Divisors: 1 101 19891 607421 2008991 61349521 12082211111 1220303322211