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11202221012 = 2223771178189
BaseRepresentation
bin10100110111011010…
…00101001111010100
31001220200221210022112
422123231011033110
5140420232033022
65051330250152
7544413210323
oct123355051724
931820853275
1011202221012
1148293a84a4
122207726958
131096aab858
14783ab00ba
154586d68e2
hex29bb453d4

11202221012 has 12 divisors (see below), whose sum is σ = 19612150740. Its totient is φ = 5598749376.

The previous prime is 11202220943. The next prime is 11202221029. The reversal of 11202221012 is 21012220211.

It can be written as a sum of positive squares in 2 ways, for example, as 2054446276 + 9147774736 = 45326^2 + 95644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579587 + ... + 598602.

It is an arithmetic number, because the mean of its divisors is an integer number (1634345895).

Almost surely, 211202221012 is an apocalyptic number.

It is an amenable number.

11202221012 is a deficient number, since it is larger than the sum of its proper divisors (8409929728).

11202221012 is a wasteful number, since it uses less digits than its factorization.

11202221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180570 (or 1180568 counting only the distinct ones).

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

Adding to 11202221012 its reverse (21012220211), we get a palindrome (32214441223).

The spelling of 11202221012 in words is "eleven billion, two hundred two million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 2377 4754 9508 1178189 2356378 4712756 2800555253 5601110506 11202221012