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22012120101 = 342171739951
BaseRepresentation
bin10100100000000001…
…100100110000100101
32002211001200120010110
4110200001210300211
5330040100320401
614040124043233
71406323635156
oct244001446045
962731616113
1022012120101
1193762a46a4
124323993519
1320ca50684a
1410cb61792d
1588c7249d6
hex520064c25

22012120101 has 8 divisors (see below), whose sum is σ = 29356470144. Its totient is φ = 14671258400.

The previous prime is 22012120073. The next prime is 22012120111. The reversal of 22012120101 is 10102121022.

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 22012120101 - 214 = 22012103717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012120111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857325 + ... + 882626.

It is an arithmetic number, because the mean of its divisors is an integer number (3669558768).

Almost surely, 222012120101 is an apocalyptic number.

It is an amenable number.

22012120101 is a deficient number, since it is larger than the sum of its proper divisors (7344350043).

22012120101 is a wasteful number, since it uses less digits than its factorization.

22012120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744171.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22012120101 its reverse (10102121022), we get a palindrome (32114241123).

The spelling of 22012120101 in words is "twenty-two billion, twelve million, one hundred twenty thousand, one hundred one".

Divisors: 1 3 4217 12651 1739951 5219853 7337373367 22012120101