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101121200221 = 1276803117041
BaseRepresentation
bin101111000101101001…
…0110001000001011101
3100200000022101012210211
41132023102301001131
53124044011401341
6114242054132421
710206610006546
oct1361322610135
9320008335724
10101121200221
1139981310458
1217721351111
1396c6ba3c22
144c73d1b4cd
15296c8ac181
hex178b4b105d

101121200221 has 8 divisors (see below), whose sum is σ = 101933282304. Its totient is φ = 100309366080.

The previous prime is 101121200203. The next prime is 101121200251. The reversal of 101121200221 is 122002121101.

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 101121200221 - 211 = 101121198173 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 (101121200251) 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, 805461 + ... + 922501.

It is an arithmetic number, because the mean of its divisors is an integer number (12741660288).

Almost surely, 2101121200221 is an apocalyptic number.

It is an amenable number.

101121200221 is a deficient number, since it is larger than the sum of its proper divisors (812082083).

101121200221 is a wasteful number, since it uses less digits than its factorization.

101121200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123971.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101121200221 its reverse (122002121101), we get a palindrome (223123321322).

The spelling of 101121200221 in words is "one hundred one billion, one hundred twenty-one million, two hundred thousand, two hundred twenty-one".

Divisors: 1 127 6803 117041 863981 14864207 796229923 101121200221