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21100223211010 = 252110022321101
BaseRepresentation
bin1001100110000110001110…
…10011110010011000000010
32202201011100211112120022221
410303003013103302120002
510231201224120223020
6112513150403521254
74305304126015246
oct463030723623002
982634324476287
1021100223211010
1167a5610a14839
12244944608922a
13ba09863b2118
1452d38322a426
15268cea2286aa
hex1330c74f2602

21100223211010 has 8 divisors (see below), whose sum is σ = 37980401779836. Its totient is φ = 8440089284400.

The previous prime is 21100223211007. The next prime is 21100223211017. The reversal of 21100223211010 is 1011232200112.

Adding to 21100223211010 its reverse (1011232200112), we get a palindrome (22111455411122).

It can be written as a sum of positive squares in 2 ways, for example, as 20473606899729 + 626616311281 = 4524777^2 + 791591^2 .

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

It is not an unprimeable number, because it can be changed into a prime (21100223211017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055011160541 + ... + 1055011160560.

Almost surely, 221100223211010 is an apocalyptic number.

21100223211010 is a deficient number, since it is larger than the sum of its proper divisors (16880178568826).

21100223211010 is a wasteful number, since it uses less digits than its factorization.

21100223211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110022321108.

The product of its (nonzero) digits is 48, while the sum is 16.

The spelling of 21100223211010 in words is "twenty-one trillion, one hundred billion, two hundred twenty-three million, two hundred eleven thousand, ten".

Divisors: 1 2 5 10 2110022321101 4220044642202 10550111605505 21100223211010