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10211112113221 = 232915309013663
BaseRepresentation
bin1001010010010111010110…
…1101011101010001000101
31100011011122221220202222201
42110211311231131101011
52314244324200110341
633414530430154501
72102504606606665
oct224456555352105
940134587822881
1010211112113221
113287565648368
12118ab94952a31
13590b99697206
14274312d461a5
1512a933c00331
hex94975b5d445

10211112113221 has 8 divisors (see below), whose sum is σ = 11022489838080. Its totient is φ = 9430352415792.

The previous prime is 10211112113161. The next prime is 10211112113249. The reversal of 10211112113221 is 12231121111201.

10211112113221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10211112113221 - 27 = 10211112113093 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 (10211112113021) 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, 7654506165 + ... + 7654507498.

It is an arithmetic number, because the mean of its divisors is an integer number (1377811229760).

Almost surely, 210211112113221 is an apocalyptic number.

It is an amenable number.

10211112113221 is a deficient number, since it is larger than the sum of its proper divisors (811377724859).

10211112113221 is a wasteful number, since it uses less digits than its factorization.

10211112113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15309013715.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 10211112113221 its reverse (12231121111201), we get a palindrome (22442233224422).

The spelling of 10211112113221 in words is "ten trillion, two hundred eleven billion, one hundred twelve million, one hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 23 29 667 15309013663 352107314249 443961396227 10211112113221