Search a number
-
+
1021022101369 is a prime number
BaseRepresentation
bin11101101101110011010…
…10001101111101111001
310121121102210012211020001
432312321222031331321
5113212023124220434
62101015011033001
7133523610444214
oct16667152157571
93547383184201
101021022101369
113640163a3896
12145a6a29b761
137538864b38a
14375bc39077b
151b85c0cc114
hexedb9a8df79

1021022101369 has 2 divisors, whose sum is σ = 1021022101370. Its totient is φ = 1021022101368.

The previous prime is 1021022101283. The next prime is 1021022101391. The reversal of 1021022101369 is 9631012201201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 661112095744 + 359910005625 = 813088^2 + 599925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021022101369 - 27 = 1021022101241 is a prime.

It is a super-2 number, since 2×10210221013692 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021022101399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510511050684 + 510511050685.

It is an arithmetic number, because the mean of its divisors is an integer number (510511050685).

Almost surely, 21021022101369 is an apocalyptic number.

It is an amenable number.

1021022101369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021022101369 is an equidigital number, since it uses as much as digits as its factorization.

1021022101369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1021022101369 in words is "one trillion, twenty-one billion, twenty-two million, one hundred one thousand, three hundred sixty-nine".