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22101120001 is a prime number
BaseRepresentation
bin10100100101010101…
…000101010000000001
32010001021011020001001
4110211111011100001
5330230341320001
614053023412001
71411454264122
oct244525052001
963037136031
1022101120001
119411562634
124349754001
132112a984cc
1410d9384049
15895455001
hex525545401

22101120001 has 2 divisors, whose sum is σ = 22101120002. Its totient is φ = 22101120000.

The previous prime is 22101119993. The next prime is 22101120031. The reversal of 22101120001 is 10002110122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19695315600 + 2405804401 = 140340^2 + 49049^2 .

It is a cyclic number.

It is not a de Polignac number, because 22101120001 - 23 = 22101119993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22101120001.

It is not a weakly prime, because it can be changed into another prime (22101120031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050560000 + 11050560001.

It is an arithmetic number, because the mean of its divisors is an integer number (11050560001).

Almost surely, 222101120001 is an apocalyptic number.

It is an amenable number.

22101120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101120001 is an equidigital number, since it uses as much as digits as its factorization.

22101120001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22101120001 its reverse (10002110122), we get a palindrome (32103230123).

It can be divided in two parts, 2210 and 1120001, that added together give a palindrome (1122211).

The spelling of 22101120001 in words is "twenty-two billion, one hundred one million, one hundred twenty thousand, one".