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2221111200102 = 231721775600001
BaseRepresentation
bin100000010100100100100…
…010110100100101100110
321212100002001120121200120
4200110210202310211212
5242342313431400402
64420210413222410
7316320130460304
oct40244442644546
97770061517616
102221111200102
11786a714060a3
122ba571791a06
131315b0530a12
147970666d274
153cb99a173bc
hex205248b4966

2221111200102 has 16 divisors (see below), whose sum is σ = 4703529600432. Its totient is φ = 696819200000.

The previous prime is 2221111200083. The next prime is 2221111200109. The reversal of 2221111200102 is 2010021111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221111200109) 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, 10887799899 + ... + 10887800102.

It is an arithmetic number, because the mean of its divisors is an integer number (293970600027).

Almost surely, 22221111200102 is an apocalyptic number.

2221111200102 is an abundant number, since it is smaller than the sum of its proper divisors (2482418400330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221111200102 is a wasteful number, since it uses less digits than its factorization.

2221111200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21775600023.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2221111200102 its reverse (2010021111222), we get a palindrome (4231132311324).

The spelling of 2221111200102 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred thousand, one hundred two".

Divisors: 1 2 3 6 17 34 51 102 21775600001 43551200002 65326800003 130653600006 370185200017 740370400034 1110555600051 2221111200102