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10211212102211 = 31536214979977
BaseRepresentation
bin1001010010010111101110…
…1010111000101001000011
31100011011220221001202002122
42110211323222320221003
52314300030244232321
633414544401234455
72102510232525041
oct224457352705103
940134827052078
1010211212102211
11328760703159a
12118b002332a2b
13590bb43059b3
14274322333391
1512a93c8a18ab
hex9497bab8a43

10211212102211 has 8 divisors (see below), whose sum is σ = 10739485401984. Its totient is φ = 9695368762560.

The previous prime is 10211212102207. The next prime is 10211212102219. The reversal of 10211212102211 is 11220121211201.

10211212102211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10211212102211 - 22 = 10211212102207 is a prime.

It is a super-2 number, since 2×102112121022112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211212102211.

It is not an unprimeable number, because it can be changed into a prime (10211212102219) 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, 3107488346 + ... + 3107491631.

It is an arithmetic number, because the mean of its divisors is an integer number (1342435675248).

Almost surely, 210211212102211 is an apocalyptic number.

10211212102211 is a deficient number, since it is larger than the sum of its proper divisors (528273299773).

10211212102211 is an equidigital number, since it uses as much as digits as its factorization.

10211212102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214980061.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10211212102211 its reverse (11220121211201), we get a palindrome (21431333313412).

The spelling of 10211212102211 in words is "ten trillion, two hundred eleven billion, two hundred twelve million, one hundred two thousand, two hundred eleven".

Divisors: 1 31 53 1643 6214979977 192664379287 329393938781 10211212102211