Search a number
-
+
1121312202202 = 21721939986509
BaseRepresentation
bin10000010100010011011…
…010100101110111011010
310222012022011201211000001
4100110103122211313122
5121332421410432302
62215042420003214
7144004106312563
oct20242332456732
93865264654001
101121312202202
113a2600561a45
1216139923050a
138197c2a0bca
143c3b3b6916a
151e27ba1c787
hex105136a5dda

1121312202202 has 12 divisors (see below), whose sum is σ = 1786727575710. Its totient is φ = 527676330176.

The previous prime is 1121312202169. The next prime is 1121312202211. The reversal of 1121312202202 is 2022022131211.

It can be written as a sum of positive squares in 3 ways, for example, as 1120441303081 + 870899121 = 1058509^2 + 29511^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1121312202202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 969992677 + ... + 969993832.

Almost surely, 21121312202202 is an apocalyptic number.

1121312202202 is a deficient number, since it is larger than the sum of its proper divisors (665415373508).

1121312202202 is a wasteful number, since it uses less digits than its factorization.

1121312202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939986545 (or 1939986528 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1121312202202 its reverse (2022022131211), we get a palindrome (3143334333413).

The spelling of 1121312202202 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, two hundred two thousand, two hundred two".

Divisors: 1 2 17 34 289 578 1939986509 3879973018 32979770653 65959541306 560656101101 1121312202202