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2221022111102 = 27997461314357
BaseRepresentation
bin100000010100011111001…
…110111110010101111110
321212022211211221102112222
4200110133032332111332
5242342123130023402
64420153511525342
7316314666310514
oct40243716762576
97768754842488
102221022111102
11786a26097223
122ba547989852
13131597c3a632
14796d88bc4b4
153cb91cba7a2
hex2051f3be57e

2221022111102 has 32 divisors (see below), whose sum is σ = 3415889473920. Its totient is φ = 1082792954880.

The previous prime is 2221022111053. The next prime is 2221022111167. The reversal of 2221022111102 is 2011112201222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6908108 + ... + 7222464.

It is an arithmetic number, because the mean of its divisors is an integer number (106746546060).

Almost surely, 22221022111102 is an apocalyptic number.

2221022111102 is a deficient number, since it is larger than the sum of its proper divisors (1194867362818).

2221022111102 is a wasteful number, since it uses less digits than its factorization.

2221022111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314996.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221022111102 its reverse (2011112201222), we get a palindrome (4232134312324).

The spelling of 2221022111102 in words is "two trillion, two hundred twenty-one billion, twenty-two million, one hundred eleven thousand, one hundred two".

Divisors: 1 2 79 97 158 194 461 922 7663 15326 36419 44717 72838 89434 314357 628714 3532643 7065286 24834203 30492629 49668406 60985258 144918577 289837154 2408917691 4817835382 11448567583 14057101969 22897135166 28114203938 1110511055551 2221022111102