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11212101002 = 25606050501
BaseRepresentation
bin10100111000100101…
…10001010110001010
31001221101112202010002
422130102301112022
5140430244213002
65052322123002
7544563200054
oct123422612612
931841482102
1011212101002
114833a36483
12220aab0462
131098b5a8bb
147851228d4
154594d9002
hex29c4b158a

11212101002 has 4 divisors (see below), whose sum is σ = 16818151506. Its totient is φ = 5606050500.

The previous prime is 11212100993. The next prime is 11212101013. The reversal of 11212101002 is 20010121211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20010121211 = 31645487781.

It can be written as a sum of positive squares in only one way, i.e., 8224494721 + 2987606281 = 90689^2 + 54659^2 .

It is a super-2 number, since 2×112121010022 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803025249 + ... + 2803025252.

Almost surely, 211212101002 is an apocalyptic number.

11212101002 is a deficient number, since it is larger than the sum of its proper divisors (5606050504).

11212101002 is an equidigital number, since it uses as much as digits as its factorization.

11212101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606050503.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11212101002 its reverse (20010121211), we get a palindrome (31222222213).

The spelling of 11212101002 in words is "eleven billion, two hundred twelve million, one hundred one thousand, two".

Divisors: 1 2 5606050501 11212101002