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121010210220002 = 260505105110001
BaseRepresentation
bin11011100000111011100010…
…100110000010011111100010
3120212110110111121112101011212
4123200323202212002133202
5111330112402304020002
61105211153443510122
734326461550316355
oct3340734246023742
9525413447471155
10121010210220002
1135615161a37554
12116a470a688342
13526a2a1b079bc
1421c4cd551c29c
15decb47452352
hex6e0ee29827e2

121010210220002 has 4 divisors (see below), whose sum is σ = 181515315330006. Its totient is φ = 60505105110000.

The previous prime is 121010210219959. The next prime is 121010210220037. The reversal of 121010210220002 is 200022012010121.

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., 64269258609721 + 56740951610281 = 8016811^2 + 7532659^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30252552554999 + ... + 30252552555002.

Almost surely, 2121010210220002 is an apocalyptic number.

121010210220002 is a deficient number, since it is larger than the sum of its proper divisors (60505105110004).

121010210220002 is an equidigital number, since it uses as much as digits as its factorization.

121010210220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60505105110003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121010210220002 its reverse (200022012010121), we get a palindrome (321032222230123).

The spelling of 121010210220002 in words is "one hundred twenty-one trillion, ten billion, two hundred ten million, two hundred twenty thousand, two".

Divisors: 1 2 60505105110001 121010210220002