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210011121202231 = 8832167611097237
BaseRepresentation
bin101111110000000100000110…
…010001110011010000110111
31000112120212102010100220211201
4233300010012101303100313
5210011310234011432411
62022353435512313331
762143542234434206
oct5760040621632067
91015525363326751
10210011121202231
1160a09241a38198
121b67968b6a2847
139024c6b499c2b
1439c0841b7323d
151942d105133c1
hexbf0106473437

210011121202231 has 8 divisors (see below), whose sum is σ = 210250120966704. Its totient is φ = 209772124067520.

The previous prime is 210011121202199. The next prime is 210011121202241. The reversal of 210011121202231 is 132202121110012.

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 210011121202231 - 25 = 210011121202199 is a prime.

It is a super-2 number, since 2×2100111212022312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210011121202199 and 210011121202208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011121202241) 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, 190851345 + ... + 191948581.

It is an arithmetic number, because the mean of its divisors is an integer number (26281265120838).

Almost surely, 2210011121202231 is an apocalyptic number.

210011121202231 is a deficient number, since it is larger than the sum of its proper divisors (238999764473).

210011121202231 is a wasteful number, since it uses less digits than its factorization.

210011121202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314881.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 210011121202231 its reverse (132202121110012), we get a palindrome (342213242312243).

The spelling of 210011121202231 in words is "two hundred ten trillion, eleven billion, one hundred twenty-one million, two hundred two thousand, two hundred thirty-one".

Divisors: 1 883 216761 1097237 191399963 968860271 237838189357 210011121202231