Search a number
-
+
1022101210201 = 1105019249701
BaseRepresentation
bin11101101111110011111…
…10101100010001011001
310121201012222202020020211
432313321332230101121
5113221230402211301
62101314040051121
7133562422640131
oct16677176542131
93551188666224
101022101210201
1136451a53a275
1214610b763aa1
13754cb096106
1437681811ac1
151b8c1bd8051
hexedf9fac459

1022101210201 has 4 divisors (see below), whose sum is σ = 1022110570404. Its totient is φ = 1022091850000.

The previous prime is 1022101210199. The next prime is 1022101210261. The reversal of 1022101210201 is 1020121012201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 934414155801 + 87687054400 = 966651^2 + 296120^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022101210201 - 21 = 1022101210199 is a prime.

It is a super-3 number, since 3×10221012102013 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022101210261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4514350 + ... + 4735351.

It is an arithmetic number, because the mean of its divisors is an integer number (255527642601).

Almost surely, 21022101210201 is an apocalyptic number.

It is an amenable number.

1022101210201 is a deficient number, since it is larger than the sum of its proper divisors (9360203).

1022101210201 is an equidigital number, since it uses as much as digits as its factorization.

1022101210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360202.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1022101210201 its reverse (1020121012201), we get a palindrome (2042222222402).

The spelling of 1022101210201 in words is "one trillion, twenty-two billion, one hundred one million, two hundred ten thousand, two hundred one".

Divisors: 1 110501 9249701 1022101210201