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11102212020012 = 2231747152955431
BaseRepresentation
bin1010000110001110111101…
…1001110101011100101100
31110022100202020121021120020
42201203233121311130230
52423344312234120022
635340141421522140
72224052110052631
oct241435731653454
943270666537506
1011102212020012
1135a0470284423
1212b3824413350
13626c1b2b3279
142a54c82c2188
15143bd9bd735c
hexa18ef67572c

11102212020012 has 24 divisors (see below), whose sum is σ = 25906644621312. Its totient is φ = 3700525448400.

The previous prime is 11102212020001. The next prime is 11102212020041. The reversal of 11102212020012 is 21002021220111.

It is a super-2 number, since 2×111022120200122 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11102212019973 and 11102212020000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26268064 + ... + 26687367.

It is an arithmetic number, because the mean of its divisors is an integer number (1079443525888).

Almost surely, 211102212020012 is an apocalyptic number.

11102212020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11102212020012 is an abundant number, since it is smaller than the sum of its proper divisors (14804432601300).

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

11102212020012 is a wasteful number, since it uses less digits than its factorization.

11102212020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52972909 (or 52972907 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11102212020012 its reverse (21002021220111), we get a palindrome (32104233240123).

The spelling of 11102212020012 in words is "eleven trillion, one hundred two billion, two hundred twelve million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 17471 34942 52413 69884 104826 209652 52955431 105910862 158866293 211821724 317732586 635465172 925184335001 1850368670002 2775553005003 3700737340004 5551106010006 11102212020012