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22012010211001 = 711117277554443
BaseRepresentation
bin1010000000101000100100…
…00011001010011010111001
32212221022211211122021211111
411000110102003022122321
510341121044103223001
6114452102231400321
74431213063442246
oct500242203123271
985838754567744
1022012010211001
117017271a04138
1225760a98230a1
13c38953b46525
1456155bc265cd
152828b244e851
hex1405120ca6b9

22012010211001 has 8 divisors (see below), whose sum is σ = 22342022524224. Its totient is φ = 21682553009040.

The previous prime is 22012010210951. The next prime is 22012010211031. The reversal of 22012010211001 is 10011201021022.

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 22012010211001 - 217 = 22012010079929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012010211031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138697915 + ... + 138856528.

It is an arithmetic number, because the mean of its divisors is an integer number (2792752815528).

Almost surely, 222012010211001 is an apocalyptic number.

It is an amenable number.

22012010211001 is a deficient number, since it is larger than the sum of its proper divisors (330012313223).

22012010211001 is a wasteful number, since it uses less digits than its factorization.

22012010211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277555631.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22012010211001 its reverse (10011201021022), we get a palindrome (32023211232023).

The spelling of 22012010211001 in words is "twenty-two trillion, twelve billion, ten million, two hundred eleven thousand, one".

Divisors: 1 71 1117 79307 277554443 19706365453 310028312831 22012010211001