Search a number
-
+
101021122122101 is a prime number
BaseRepresentation
bin10110111110000011010000…
…000110010101000101110101
3111020200112011200201221011022
4112332003100012111011311
5101220112224230401401
6554504243545350525
730164351403026216
oct2676032006250565
9436615150657138
10101021122122101
112a2088a9906025
12b3b66a1498445
13444a33541438c
141ad363c59b40d
15ba2bd055771b
hex5be0d0195175

101021122122101 has 2 divisors, whose sum is σ = 101021122122102. Its totient is φ = 101021122122100.

The previous prime is 101021122121999. The next prime is 101021122122133. The reversal of 101021122122101 is 101221221120101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98191749180625 + 2829372941476 = 9909175^2 + 1682074^2 .

It is a cyclic number.

It is not a de Polignac number, because 101021122122101 - 222 = 101021117927797 is a prime.

It is a super-2 number, since 2×1010211221221012 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101021122122101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101021122122161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510561061050 + 50510561061051.

It is an arithmetic number, because the mean of its divisors is an integer number (50510561061051).

Almost surely, 2101021122122101 is an apocalyptic number.

It is an amenable number.

101021122122101 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021122122101 is an equidigital number, since it uses as much as digits as its factorization.

101021122122101 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 17.

Adding to 101021122122101 its reverse (101221221120101), we get a palindrome (202242343242202).

The spelling of 101021122122101 in words is "one hundred one trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred one".