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11211220212002 = 213941719966661
BaseRepresentation
bin1010001100100101000011…
…0011000101100100100010
31110200210010012202012010022
42203021100303011210202
52432141034333241002
635502210301433442
72234661326311556
oct243112063054442
943623105665108
1011211220212002
113632719596498
121310986b6b882
136342a1180915
142aa8a988b866
15146969bbaba2
hexa3250cc5922

11211220212002 has 16 divisors (see below), whose sum is σ = 16938238228800. Its totient is φ = 5565142819440.

The previous prime is 11211220211969. The next prime is 11211220212007. The reversal of 11211220212002 is 20021202211211.

It is not an unprimeable number, because it can be changed into a prime (11211220212007) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 11114552 + ... + 12081212.

It is an arithmetic number, because the mean of its divisors is an integer number (1058639889300).

Almost surely, 211211220212002 is an apocalyptic number.

11211220212002 is a deficient number, since it is larger than the sum of its proper divisors (5727018016798).

11211220212002 is a wasteful number, since it uses less digits than its factorization.

11211220212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008521.

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

Adding to 11211220212002 its reverse (20021202211211), we get a palindrome (31232422423213).

The spelling of 11211220212002 in words is "eleven trillion, two hundred eleven billion, two hundred twenty million, two hundred twelve thousand, two".

Divisors: 1 2 139 278 41719 83438 966661 1933322 5798941 11597882 134365879 268731758 40328130259 80656260518 5605610106001 11211220212002