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101100221121 = 3157214650151
BaseRepresentation
bin101111000101000001…
…0101111001011000001
3100122221211220100220010
41132022002233023001
53124023124033441
6114240024335133
710206233462154
oct1361202571301
9318854810803
10101100221121
1139970491559
12177163144a9
1396c2739c63
144c71219c9b
15296ab16116
hex178a0af2c1

101100221121 has 8 divisors (see below), whose sum is σ = 135658896064. Its totient is φ = 66970846800.

The previous prime is 101100221087. The next prime is 101100221141. The reversal of 101100221121 is 121122001101.

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

It is not a de Polignac number, because 101100221121 - 227 = 100966003393 is a prime.

It is a super-3 number, since 3×1011002211213 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101100221097 and 101100221106.

It is not an unprimeable number, because it can be changed into a prime (101100221141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107324605 + ... + 107325546.

It is an arithmetic number, because the mean of its divisors is an integer number (16957362008).

Almost surely, 2101100221121 is an apocalyptic number.

It is an amenable number.

101100221121 is a deficient number, since it is larger than the sum of its proper divisors (34558674943).

101100221121 is a wasteful number, since it uses less digits than its factorization.

101100221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214650311.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101100221121 its reverse (121122001101), we get a palindrome (222222222222).

The spelling of 101100221121 in words is "one hundred one billion, one hundred million, two hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 3 157 471 214650151 643950453 33700073707 101100221121