Search a number
-
+
2201021121101 = 111779847147409
BaseRepresentation
bin100000000001110111000…
…101010000001001001101
321210102012221112212021112
4200001313011100021031
5242030142401333401
64403045105141405
7315006232561355
oct40016705201115
97712187485245
102201021121101
117794a2051420
122b66a562a865
1312c72b2a71ca
147875c419b65
153c3c0e063bb
hex2007715024d

2201021121101 has 16 divisors (see below), whose sum is σ = 2542405034880. Its totient is φ = 1883190266880.

The previous prime is 2201021121059. The next prime is 2201021121113. The reversal of 2201021121101 is 1011211201022.

It is a cyclic number.

It is not a de Polignac number, because 2201021121101 - 26 = 2201021121037 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 (2201021121191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14857685 + ... + 15005093.

It is an arithmetic number, because the mean of its divisors is an integer number (158900314680).

Almost surely, 22201021121101 is an apocalyptic number.

It is an amenable number.

2201021121101 is a deficient number, since it is larger than the sum of its proper divisors (341383913779).

2201021121101 is a wasteful number, since it uses less digits than its factorization.

2201021121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227284.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2201021121101 its reverse (1011211201022), we get a palindrome (3212232322123).

The spelling of 2201021121101 in words is "two trillion, two hundred one billion, twenty-one million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 11 17 187 79847 147409 878317 1357399 1621499 2505953 14931389 27565483 11770166423 129471830653 200092829191 2201021121101