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21120110020202 = 210560055010101
BaseRepresentation
bin1001100110101011010001…
…01001111100011001101010
32202210001200210002010222112
410303111220221330121222
510232012441131121302
6112530240011122322
74306610005060634
oct463255051743152
982701623063875
1021120110020202
116802a96562936
1224512761433a2
13ba28054a823b
1453030c489a54
152695b1086552
hex133568a7c66a

21120110020202 has 4 divisors (see below), whose sum is σ = 31680165030306. Its totient is φ = 10560055010100.

The previous prime is 21120110020183. The next prime is 21120110020211. The reversal of 21120110020202 is 20202001102112.

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., 20999956970041 + 120153050161 = 4582571^2 + 346631^2 .

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, 5280027505049 + ... + 5280027505052.

Almost surely, 221120110020202 is an apocalyptic number.

21120110020202 is a deficient number, since it is larger than the sum of its proper divisors (10560055010104).

21120110020202 is a wasteful number, since it uses less digits than its factorization.

21120110020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10560055010103.

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

Adding to 21120110020202 its reverse (20202001102112), we get a palindrome (41322111122314).

The spelling of 21120110020202 in words is "twenty-one trillion, one hundred twenty billion, one hundred ten million, twenty thousand, two hundred two".

Divisors: 1 2 10560055010101 21120110020202