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1220022110201 is a prime number
BaseRepresentation
bin10001110000001110111…
…111000000011111111001
311022122002102211200201112
4101300032333000133321
5124442101130011301
62332245335530105
7154100166555116
oct21601677003771
94278072750645
101220022110201
11430454747904
12178546b29935
138b0807343ab
144309972790d
1521b078729bb
hex11c0efc07f9

1220022110201 has 2 divisors, whose sum is σ = 1220022110202. Its totient is φ = 1220022110200.

The previous prime is 1220022110189. The next prime is 1220022110221. The reversal of 1220022110201 is 1020112200221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 793567398976 + 426454711225 = 890824^2 + 653035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1220022110201 is a prime.

It is a super-3 number, since 3×12200221102013 (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1220022110221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610011055100 + 610011055101.

It is an arithmetic number, because the mean of its divisors is an integer number (610011055101).

Almost surely, 21220022110201 is an apocalyptic number.

It is an amenable number.

1220022110201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220022110201 is an equidigital number, since it uses as much as digits as its factorization.

1220022110201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220022110201 its reverse (1020112200221), we get a palindrome (2240134310422).

It can be divided in two parts, 12200221 and 10201, that multiplied together give a palindrome (124454454421).

The spelling of 1220022110201 in words is "one trillion, two hundred twenty billion, twenty-two million, one hundred ten thousand, two hundred one".