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10021102211 = 30839324949
BaseRepresentation
bin10010101010100110…
…11110001010000011
3221212101110201220202
421111103132022003
5131010400232321
64334214555415
7503221651301
oct112523361203
927771421822
1010021102211
11428271845a
121b38068b6b
13c391984a3
146b0c97271
153d9b7a70b
hex2554de283

10021102211 has 4 divisors (see below), whose sum is σ = 10021458000. Its totient is φ = 10020746424.

The previous prime is 10021102181. The next prime is 10021102219. The reversal of 10021102211 is 11220112001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11220112001 = 71602873143.

It is a cyclic number.

It is not a de Polignac number, because 10021102211 - 214 = 10021085827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021102192 and 10021102201.

It is not an unprimeable number, because it can be changed into a prime (10021102219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131636 + ... + 193313.

It is an arithmetic number, because the mean of its divisors is an integer number (2505364500).

Almost surely, 210021102211 is an apocalyptic number.

10021102211 is a deficient number, since it is larger than the sum of its proper divisors (355789).

10021102211 is an equidigital number, since it uses as much as digits as its factorization.

10021102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355788.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10021102211 its reverse (11220112001), we get a palindrome (21241214212).

The spelling of 10021102211 in words is "ten billion, twenty-one million, one hundred two thousand, two hundred eleven".

Divisors: 1 30839 324949 10021102211