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1220122241211 = 32879141266903
BaseRepresentation
bin10001110000010100111…
…100111110100010111011
311022122100102020212122110
4101300110330332202323
5124442302243204321
62332303314023403
7154102523634216
oct21602474764273
94278312225573
101220122241211
114304a6218805
12178574577b63
138b0983c2703
14430a8b5077d
1521b11551176
hex11c14f3e8bb

1220122241211 has 8 divisors (see below), whose sum is σ = 1627394734080. Its totient is φ = 813132287912.

The previous prime is 1220122241209. The next prime is 1220122241227. The reversal of 1220122241211 is 1121422210221.

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 1220122241211 - 21 = 1220122241209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220122241201) 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, 70624815 + ... + 70642088.

It is an arithmetic number, because the mean of its divisors is an integer number (203424341760).

Almost surely, 21220122241211 is an apocalyptic number.

1220122241211 is a deficient number, since it is larger than the sum of its proper divisors (407272492869).

1220122241211 is a wasteful number, since it uses less digits than its factorization.

1220122241211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141269785.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1220122241211 its reverse (1121422210221), we get a palindrome (2341544451432).

The spelling of 1220122241211 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred forty-one thousand, two hundred eleven".

Divisors: 1 3 2879 8637 141266903 423800709 406707413737 1220122241211