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10333121221 = 31477092053
BaseRepresentation
bin10011001111110011…
…01110101011000101
3222200010120221112101
421213321232223011
5132130234334341
64425202352101
7514031036563
oct114771565305
928603527471
1010333121221
114422860a05
12200465b631
13c88a13b17
147004b8a33
15407260831
hex267e6eac5

10333121221 has 8 divisors (see below), whose sum is σ = 10893394944. Its totient is φ = 9787031760.

The previous prime is 10333121219. The next prime is 10333121233. The reversal of 10333121221 is 12212133301.

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 10333121221 - 21 = 10333121219 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 (10333121261) 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, 3544570 + ... + 3547483.

It is an arithmetic number, because the mean of its divisors is an integer number (1361674368).

Almost surely, 210333121221 is an apocalyptic number.

It is an amenable number.

10333121221 is a deficient number, since it is larger than the sum of its proper divisors (560273723).

10333121221 is an equidigital number, since it uses as much as digits as its factorization.

10333121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7092131.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10333121221 its reverse (12212133301), we get a palindrome (22545254522).

The spelling of 10333121221 in words is "ten billion, three hundred thirty-three million, one hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 31 47 1457 7092053 219853643 333326491 10333121221