Search a number
-
+
11212111102010 = 257135910117911551
BaseRepresentation
bin1010001100101000010111…
…1001100100000000111010
31110200212102022010002110112
42203022011321210000322
52432144400420231020
635502434524344322
72235022364615540
oct243120571440072
943625368102415
1011212111102010
113633036466325
121310b953a50a2
136343b3907880
142aa951d15d90
151469bcee82c5
hexa3285e6403a

11212111102010 has 256 divisors, whose sum is σ = 25654977331200. Its totient is φ = 3434175360000.

The previous prime is 11212111101949. The next prime is 11212111102091. The reversal of 11212111102010 is 1020111121211.

It is a super-2 number, since 2×112121111020102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 970655735 + ... + 970667285.

It is an arithmetic number, because the mean of its divisors is an integer number (100214755200).

Almost surely, 211212111102010 is an apocalyptic number.

11212111102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212111102010 is an abundant number, since it is smaller than the sum of its proper divisors (14442866229190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212111102010 is a wasteful number, since it uses less digits than its factorization.

11212111102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11917.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11212111102010 its reverse (1020111121211), we get a palindrome (12232222223221).

The spelling of 11212111102010 in words is "eleven trillion, two hundred twelve billion, one hundred eleven million, one hundred two thousand, ten".