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11101221112202 = 2132081261778401
BaseRepresentation
bin1010000110001011010001…
…0101110100100110001010
31110022021012012000221120222
42201202310111310212022
52423340300101042302
635335455223150042
72224015415350604
oct241426425644612
943267165027528
1011101221112202
1135a0001a00751
1212b35a85a5322
13626ac0c0a6a0
142a5432860174
15143b7cbeeda2
hexa18b457498a

11101221112202 has 32 divisors (see below), whose sum is σ = 17948443789584. Its totient is φ = 5119156224000.

The previous prime is 11101221112129. The next prime is 11101221112207. The reversal of 11101221112202 is 20221112210111.

It can be written as a sum of positive squares in 8 ways, for example, as 9878518146121 + 1222702966081 = 3143011^2 + 1105759^2 .

It is a super-2 number, since 2×111012211122022 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11101221112207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141556202 + ... + 141634602.

Almost surely, 211101221112202 is an apocalyptic number.

11101221112202 is a deficient number, since it is larger than the sum of its proper divisors (6847222677382).

11101221112202 is a wasteful number, since it uses less digits than its factorization.

11101221112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83114.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11101221112202 its reverse (20221112210111), we get a palindrome (31322333322313).

The spelling of 11101221112202 in words is "eleven trillion, one hundred one billion, two hundred twenty-one million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 13 26 2081 2617 4162 5234 27053 34021 54106 68042 78401 156802 1019213 2038426 5445977 10891954 70797701 141595402 163152481 205175417 326304962 410350834 2120982253 2667280421 4241964506 5334560842 426970042777 853940085554 5550610556101 11101221112202