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102221202220111 = 1379199614986413
BaseRepresentation
bin10111001111100000111010…
…011100100110010001001111
3111101221020210100011102221201
4113033200322130212101033
5101344243010232020421
61001223434431010331
730350144453404162
oct2717407234462117
9441836710142851
10102221202220111
112a63084a82aa17
12b56b1a19699a7
134506558494c50
141b357655b5ad9
15bc401c2b5b91
hex5cf83a72644f

102221202220111 has 16 divisors (see below), whose sum is σ = 111483451820160. Its totient is φ = 93158941374720.

The previous prime is 102221202220057. The next prime is 102221202220129. The reversal of 102221202220111 is 111022202122201.

It is not a de Polignac number, because 102221202220111 - 239 = 101671446406223 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 (102221202221111) 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, 18006741 + ... + 22993153.

It is an arithmetic number, because the mean of its divisors is an integer number (6967715738760).

Almost surely, 2102221202220111 is an apocalyptic number.

102221202220111 is a deficient number, since it is larger than the sum of its proper divisors (9262249600049).

102221202220111 is a wasteful number, since it uses less digits than its factorization.

102221202220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006466.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102221202220111 its reverse (111022202122201), we get a palindrome (213243404342312).

The spelling of 102221202220111 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty thousand, one hundred eleven".

Divisors: 1 13 79 1027 19961 259493 1576919 4986413 20499947 64823369 393926627 5121046151 99533789893 1293939268609 7863169401547 102221202220111