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11220121212110 = 251398072029649
BaseRepresentation
bin1010001101000110001101…
…0101101101010011001110
31110201122002112112211210222
42203101203111231103032
52432312302012241420
635510241425031342
72235425030464316
oct243214325552316
943648075484728
1011220121212110
113636476a09628
12131264ba85552
1363508c27a6a5
142ab0b1a92446
15146cdb33e225
hexa346356d4ce

11220121212110 has 16 divisors (see below), whose sum is σ = 20341514718000. Its totient is φ = 4455760365696.

The previous prime is 11220121212107. The next prime is 11220121212119. The reversal of 11220121212110 is 1121212102211.

11220121212110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112201212121102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220121212119) 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, 4036013435 + ... + 4036016214.

It is an arithmetic number, because the mean of its divisors is an integer number (1271344669875).

Almost surely, 211220121212110 is an apocalyptic number.

11220121212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220121212110 is a deficient number, since it is larger than the sum of its proper divisors (9121393505890).

11220121212110 is a wasteful number, since it uses less digits than its factorization.

11220121212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072029795.

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

Adding to 11220121212110 its reverse (1121212102211), we get a palindrome (12341333314321).

The spelling of 11220121212110 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 139 278 695 1390 8072029649 16144059298 40360148245 80720296490 1122012121211 2244024242422 5610060606055 11220121212110