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11210211111020 = 225560510555551
BaseRepresentation
bin1010001100100001010010…
…1001101011000001101100
31110200200111212221112210212
42203020110221223001230
52432132003021023040
635501522213121552
72234624324144315
oct243102451530154
943620455845725
1011210211111020
113632250a16a39
1213107450292b8
136341700a814c
142aa81185160c
1514690b2dcd65
hexa3214a6b06c

11210211111020 has 12 divisors (see below), whose sum is σ = 23541443333184. Its totient is φ = 4484084444400.

The previous prime is 11210211110999. The next prime is 11210211111023. The reversal of 11210211111020 is 2011111201211.

It is a junction number, because it is equal to n+sod(n) for n = 11210211110986 and 11210211111004.

It is not an unprimeable number, because it can be changed into a prime (11210211111023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280255277756 + ... + 280255277795.

It is an arithmetic number, because the mean of its divisors is an integer number (1961786944432).

Almost surely, 211210211111020 is an apocalyptic number.

11210211111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210211111020 is an abundant number, since it is smaller than the sum of its proper divisors (12331232222164).

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

11210211111020 is a wasteful number, since it uses less digits than its factorization.

11210211111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560510555560 (or 560510555558 counting only the distinct ones).

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

Adding to 11210211111020 its reverse (2011111201211), we get a palindrome (13221322312231).

The spelling of 11210211111020 in words is "eleven trillion, two hundred ten billion, two hundred eleven million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 560510555551 1121021111102 2242042222204 2802552777755 5605105555510 11210211111020