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221120001011 = 71317142934713
BaseRepresentation
bin1100110111101111000…
…1110111001111110011
3210010202020021220022002
43031323301313033303
512110323210013021
6245325305004215
721655362665660
oct3157361671763
9703666256262
10221120001011
118585a526598
1236a3078366b
1317b0ba5b4b0
14a9b9030a67
155b426c750b
hex337bc773f3

221120001011 has 16 divisors (see below), whose sum is σ = 288156383424. Its totient is φ = 164660788224.

The previous prime is 221120000999. The next prime is 221120001019. The reversal of 221120001011 is 110100021122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-221120001011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221120000983 and 221120001001.

It is not an unprimeable number, because it can be changed into a prime (221120001019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71465810 + ... + 71468903.

It is an arithmetic number, because the mean of its divisors is an integer number (18009773964).

Almost surely, 2221120001011 is an apocalyptic number.

221120001011 is a deficient number, since it is larger than the sum of its proper divisors (67036382413).

221120001011 is a wasteful number, since it uses less digits than its factorization.

221120001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142934750.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 221120001011 its reverse (110100021122), we get a palindrome (331220022133).

The spelling of 221120001011 in words is "two hundred twenty-one billion, one hundred twenty million, one thousand, eleven".

Divisors: 1 7 13 17 91 119 221 1547 142934713 1000542991 1858151269 2429890121 13007058883 17009230847 31588571573 221120001011