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11212202021000 = 235311212202021
BaseRepresentation
bin1010001100101000101101…
…0100011001000010001000
31110200212122122012020212112
42203022023110121002020
52432200042204133000
635502451533201452
72235024550456511
oct243121324310210
943625578166775
1011212202021000
113633082815092
121310bbb930288
136343c96bbba6
142aa960021a08
151469c5ea7235
hexa328b519088

11212202021000 has 32 divisors (see below), whose sum is σ = 26236552731480. Its totient is φ = 4484880808000.

The previous prime is 11212202020963. The next prime is 11212202021047. The reversal of 11212202021000 is 12020221211.

It can be written as a sum of positive squares in 4 ways, for example, as 1181008174564 + 10031193846436 = 1086742^2 + 3167206^2 .

It is a super-3 number, since 3×112122020210003 (a number of 40 digits) contains 333 as substring.

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, 5606100011 + ... + 5606102010.

Almost surely, 211212202021000 is an apocalyptic number.

11212202021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212202021000 is an abundant number, since it is smaller than the sum of its proper divisors (15024350710480).

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

11212202021000 is a wasteful number, since it uses less digits than its factorization.

11212202021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212202042 (or 11212202028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11212202021000 its reverse (12020221211), we get a palindrome (11224222242211).

The spelling of 11212202021000 in words is "eleven trillion, two hundred twelve billion, two hundred two million, twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 11212202021 22424404042 44848808084 56061010105 89697616168 112122020210 224244040420 280305050525 448488080840 560610101050 1121220202100 1401525252625 2242440404200 2803050505250 5606101010500 11212202021000