Search a number
-
+
101220302102291 is a prime number
BaseRepresentation
bin10111000000111100110000…
…001001101001111100010011
3111021101120021220000021221122
4113000330300021221330103
5101231343134314233131
6555135544223512455
730214632305646011
oct2700746011517423
9437346256007848
10101220302102291
112a28531a8021a9
12b42920a45872b
134463058891218
141add1357c18b1
15ba7e8b9ecd7b
hex5c0f30269f13

101220302102291 has 2 divisors, whose sum is σ = 101220302102292. Its totient is φ = 101220302102290.

The previous prime is 101220302102149. The next prime is 101220302102377. The reversal of 101220302102291 is 192201203022101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101220302102291 - 210 = 101220302101267 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101220302102291.

It is not a weakly prime, because it can be changed into another prime (101220302104291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610151051145 + 50610151051146.

It is an arithmetic number, because the mean of its divisors is an integer number (50610151051146).

Almost surely, 2101220302102291 is an apocalyptic number.

101220302102291 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220302102291 is an equidigital number, since it uses as much as digits as its factorization.

101220302102291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 101220302102291 its reverse (192201203022101), we get a palindrome (293421505124392).

The spelling of 101220302102291 in words is "one hundred one trillion, two hundred twenty billion, three hundred two million, one hundred two thousand, two hundred ninety-one".