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10121331011 = 111942747363
BaseRepresentation
bin10010110110100011…
…10100000101000011
3222010101001212222112
421123101310011003
5131212030043021
64352155125535
7505546615451
oct113321640503
928111055875
1010121331011
114324255880
121b657438ab
13c53b8c17c
146c03079d1
153e3877d5b
hex25b474143

10121331011 has 8 divisors (see below), whose sum is σ = 11042253504. Its totient is φ = 9200542120.

The previous prime is 10121330993. The next prime is 10121331029. The reversal of 10121331011 is 11013312101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10121330993) and next prime (10121331029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10121331011 - 214 = 10121314627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121331041) 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, 190016 + ... + 237378.

It is an arithmetic number, because the mean of its divisors is an integer number (1380281688).

Almost surely, 210121331011 is an apocalyptic number.

10121331011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10121331011 is a deficient number, since it is larger than the sum of its proper divisors (920922493).

10121331011 is a wasteful number, since it uses less digits than its factorization.

10121331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66801.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10121331011 its reverse (11013312101), we get a palindrome (21134643112).

The spelling of 10121331011 in words is "ten billion, one hundred twenty-one million, three hundred thirty-one thousand, eleven".

Divisors: 1 11 19427 47363 213697 520993 920121001 10121331011