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101321220111213 = 31910740794072753
BaseRepresentation
bin10111000010011010101111…
…010101010011101101101101
3111021202012210001001022200210
4113002122233111103231231
5101240021324322024323
6555254154223013033
730225134200610244
oct2702325725235555
9437665701038623
10101321220111213
112a3140a734aa63
12b44489373a179
13446c71c6313bb
141b03d8a72995b
15baa8e6620293
hex5c26af553b6d

101321220111213 has 32 divisors (see below), whose sum is σ = 143569465804800. Its totient is φ = 63378733015296.

The previous prime is 101321220111197. The next prime is 101321220111269. The reversal of 101321220111213 is 312111022123101.

It is not a de Polignac number, because 101321220111213 - 24 = 101321220111197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101321220111213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321220113213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22841445 + ... + 26914197.

It is an arithmetic number, because the mean of its divisors is an integer number (4486545806400).

Almost surely, 2101321220111213 is an apocalyptic number.

It is an amenable number.

101321220111213 is a deficient number, since it is larger than the sum of its proper divisors (42248245693587).

101321220111213 is a wasteful number, since it uses less digits than its factorization.

101321220111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076961.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 101321220111213 its reverse (312111022123101), we get a palindrome (413432242234314).

The spelling of 101321220111213 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred twenty million, one hundred eleven thousand, two hundred thirteen".

Divisors: 1 3 19 57 107 321 2033 4079 6099 12237 77501 232503 436453 1309359 4072753 8292607 12218259 24877821 77382307 232146921 435784571 1307353713 8279906849 16612759487 24839720547 49838278461 315642430253 946927290759 1777565265109 5332695795327 33773740037071 101321220111213