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11020111220101 = 227128337838461
BaseRepresentation
bin1010000001011101000111…
…0100001000110110000101
31110000111211111110111212011
42200113101310020312011
52421023141433020401
635234322540454221
72215114425553144
oct240272164106605
943014744414764
1011020111220101
11356966a543275
12129b930b4a371
1361c265b704a9
142a153a52d75b
151419d2094451
hexa05d1d08d85

11020111220101 has 8 divisors (see below), whose sum is σ = 11077285427424. Its totient is φ = 10963012692720.

The previous prime is 11020111220089. The next prime is 11020111220123. The reversal of 11020111220101 is 10102211102011.

It is a happy number.

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 11020111220101 - 221 = 11020109122949 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 (11020111220501) 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, 18627990 + ... + 19210471.

It is an arithmetic number, because the mean of its divisors is an integer number (1384660678428).

Almost surely, 211020111220101 is an apocalyptic number.

It is an amenable number.

11020111220101 is a deficient number, since it is larger than the sum of its proper divisors (57174207323).

11020111220101 is a wasteful number, since it uses less digits than its factorization.

11020111220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37839971.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11020111220101 its reverse (10102211102011), we get a palindrome (21122322322112).

The spelling of 11020111220101 in words is "eleven trillion, twenty billion, one hundred eleven million, two hundred twenty thousand, one hundred one".

Divisors: 1 227 1283 291241 37838461 8589330647 48546745463 11020111220101