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21120202010211 = 38011878800067
BaseRepresentation
bin1001100110101011011100…
…01000110110111001100011
32202210001221012011201112220
410303111232020312321203
510232013133203311321
6112530253054522123
74306612203012243
oct463255610667143
982701835151486
1021120202010211
116803033483337
1224512a0b06343
13ba281b575bb5
1453031a793b23
152695b91a79c6
hex13356e236e63

21120202010211 has 8 divisors (see below), whose sum is σ = 28163784579264. Its totient is φ = 14078377057320.

The previous prime is 21120202010123. The next prime is 21120202010213. The reversal of 21120202010211 is 11201020202112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21120202010211 - 215 = 21120201977443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21120202010213) 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, 439376001 + ... + 439424066.

It is an arithmetic number, because the mean of its divisors is an integer number (3520473072408).

Almost surely, 221120202010211 is an apocalyptic number.

21120202010211 is a deficient number, since it is larger than the sum of its proper divisors (7043582569053).

21120202010211 is an equidigital number, since it uses as much as digits as its factorization.

21120202010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878808081.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21120202010211 its reverse (11201020202112), we get a palindrome (32321222212323).

The spelling of 21120202010211 in words is "twenty-one trillion, one hundred twenty billion, two hundred two million, ten thousand, two hundred eleven".

Divisors: 1 3 8011 24033 878800067 2636400201 7040067336737 21120202010211