Search a number
-
+
1220101221203 is a prime number
BaseRepresentation
bin10001110000010011101…
…100110010101101010011
311022122021221200221121122
4101300103230302231103
5124442231403034303
62332301243312455
7154102150156334
oct21602354625523
94278257627548
101220101221203
114304953710a7
1217856951b72b
138b093c42c37
14430a603c28b
1521b0e79ce38
hex11c13b32b53

1220101221203 has 2 divisors, whose sum is σ = 1220101221204. Its totient is φ = 1220101221202.

The previous prime is 1220101221169. The next prime is 1220101221259. The reversal of 1220101221203 is 3021221010221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220101221203 - 234 = 1202921352019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220101221403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610050610601 + 610050610602.

It is an arithmetic number, because the mean of its divisors is an integer number (610050610602).

Almost surely, 21220101221203 is an apocalyptic number.

1220101221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220101221203 is an equidigital number, since it uses as much as digits as its factorization.

1220101221203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1220101221203 its reverse (3021221010221), we get a palindrome (4241322231424).

The spelling of 1220101221203 in words is "one trillion, two hundred twenty billion, one hundred one million, two hundred twenty-one thousand, two hundred three".