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1111121122201 = 30711369318347
BaseRepresentation
bin10000001010110011111…
…110101101001110011001
310221012222221102022101121
4100022303332231032121
5121201034001402301
62210235245445241
7143163421464226
oct20126376551631
93835887368347
101111121122201
113992509a7782
1215b414270821
1380a16b3055c
143bac84a694d
151dd81eb83a1
hex102b3fad399

1111121122201 has 8 divisors (see below), whose sum is σ = 1114841962080. Its totient is φ = 1107400942368.

The previous prime is 1111121122169. The next prime is 1111121122211. The reversal of 1111121122201 is 1022211211111.

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 1111121122201 - 25 = 1111121122169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111121122211) 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, 3331110 + ... + 3649456.

It is an arithmetic number, because the mean of its divisors is an integer number (139355245260).

Almost surely, 21111121122201 is an apocalyptic number.

It is an amenable number.

1111121122201 is a deficient number, since it is larger than the sum of its proper divisors (3720839879).

1111121122201 is a wasteful number, since it uses less digits than its factorization.

1111121122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330023.

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

Adding to 1111121122201 its reverse (1022211211111), we get a palindrome (2133332333312).

The spelling of 1111121122201 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 307 11369 318347 3490283 97732529 3619287043 1111121122201