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122111010002 = 261055505001
BaseRepresentation
bin111000110111001100…
…0100010010011010010
3102200012010102000211002
41301232120202103102
54000040404310002
6132032542422002
711552011313342
oct1615630422322
9380163360732
10122111010002
1147872533193
121b7ba891902
13b69065b707
145ca585ad22
15329a495002
hex1c6e6224d2

122111010002 has 4 divisors (see below), whose sum is σ = 183166515006. Its totient is φ = 61055505000.

The previous prime is 122111009989. The next prime is 122111010019. The reversal of 122111010002 is 200010111221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 122079661201 + 31348801 = 349399^2 + 5599^2 .

It is a super-2 number, since 2×1221110100022 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30527752499 + ... + 30527752502.

Almost surely, 2122111010002 is an apocalyptic number.

122111010002 is a deficient number, since it is larger than the sum of its proper divisors (61055505004).

122111010002 is an equidigital number, since it uses as much as digits as its factorization.

122111010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61055505003.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122111010002 its reverse (200010111221), we get a palindrome (322121121223).

The spelling of 122111010002 in words is "one hundred twenty-two billion, one hundred eleven million, ten thousand, two".

Divisors: 1 2 61055505001 122111010002