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10220111101 = 89114832709
BaseRepresentation
bin10011000010010101…
…01000010011111101
3222101020221102210101
421201022220103331
5131412322023401
64410044241101
7511156340164
oct114112502375
928336842711
1010220111101
114374a93812
121b92840191
13c6b496625
146cd49c3db
153ec38b101
hex2612a84fd

10220111101 has 4 divisors (see below), whose sum is σ = 10334943900. Its totient is φ = 10105278304.

The previous prime is 10220111059. The next prime is 10220111113. The reversal of 10220111101 is 10111102201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10111102201 = 34033297097.

It can be written as a sum of positive squares in 2 ways, for example, as 4999904100 + 5220207001 = 70710^2 + 72251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10220111101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220111201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57416266 + ... + 57416443.

It is an arithmetic number, because the mean of its divisors is an integer number (2583735975).

Almost surely, 210220111101 is an apocalyptic number.

It is an amenable number.

10220111101 is a deficient number, since it is larger than the sum of its proper divisors (114832799).

10220111101 is an equidigital number, since it uses as much as digits as its factorization.

10220111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114832798.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10220111101 its reverse (10111102201), we get a palindrome (20331213302).

The spelling of 10220111101 in words is "ten billion, two hundred twenty million, one hundred eleven thousand, one hundred one".

Divisors: 1 89 114832709 10220111101